http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__array.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__array.html 
b/docs/latest/group__grp__array.html
index 208296e..ed276e6 100644
--- a/docs/latest/group__grp__array.html
+++ b/docs/latest/group__grp__array.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -121,7 +121,7 @@ 
$(document).ready(function(){initNavTree('group__grp__array.html','');});
 </ul>
 </div><p>This module provides a set of basic array operations implemented in 
C. It is a support module for several machine learning algorithms that require 
fast array operations.</p>
 <p><a class="anchor" id="notes"></a></p><dl class="section 
user"><dt>Implementation Notes</dt><dd></dd></dl>
-<p>All functions (except <a class="el" 
href="svec__util_8sql__in.html#aace16abea7c63f136520fde6c28f1f28">normalize()</a>
 and array_filter()) described in this module work with 2-D arrays.</p>
+<p>All functions (except <a class="el" 
href="array__ops_8sql__in.html#acb57ea4521dcb717f9e3148e0acccc74" title="This 
function normalizes an array as sum of squares to be 1. ">normalize()</a> and 
<a class="el" href="array__ops_8sql__in.html#acc295a568878940ffc3e2c9a75990efb" 
title="This function takes an array as the input and keep only elements that 
satisfy the operator on specifi...">array_filter()</a>) described in this 
module work with 2-D arrays.</p>
 <p>These functions support several numeric types:</p><ul>
 <li>SMALLINT</li>
 <li>INTEGER</li>
@@ -205,39 +205,39 @@ 
$(document).ready(function(){initNavTree('group__grp__array.html','');});
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th>array_of_bigint()</th><td><p class="starttd">This function creates an 
array of set size (the argument value) of BIGINT, initializing the values to 0. 
</p>
+<th><a class="el" 
href="array__ops_8sql__in.html#ab7d8550e66d2e0bd54b8f0997d93880c" title="This 
function creates an array of set size (the argument value) of BIGINT, 
initializing the values to...">array_of_bigint()</a></th><td><p 
class="starttd">This function creates an array of set size (the argument value) 
of BIGINT, initializing the values to 0. </p>
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th>array_fill()</th><td><p class="starttd">This functions set every value in 
the array to some desired value (provided as the argument). </p>
+<th><a class="el" 
href="array__ops_8sql__in.html#a065a5323f3b742be47e39ad8b4c90fc2" title="This 
functions set every values in the array to some desired value (provided as the 
argument)...">array_fill()</a></th><td><p class="starttd">This functions set 
every value in the array to some desired value (provided as the argument). </p>
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th>array_filter()</th><td><p class="starttd">This function takes an array as 
the input and keep only elements that satisfy the operator on specified scalar. 
It requires that the array is 1-D and all the values are NON-NULL. Return type 
is the same as the input type. By default, this function removes all zeros. </p>
+<th><a class="el" 
href="array__ops_8sql__in.html#acc295a568878940ffc3e2c9a75990efb" title="This 
function takes an array as the input and keep only elements that satisfy the 
operator on specifi...">array_filter()</a></th><td><p class="starttd">This 
function takes an array as the input and keep only elements that satisfy the 
operator on specified scalar. It requires that the array is 1-D and all the 
values are NON-NULL. Return type is the same as the input type. By default, 
this function removes all zeros. </p>
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th>array_scalar_mult()</th><td><p class="starttd">This function takes an 
array as the input and executes element-wise multiplication by the scalar 
provided as the second argument, returning the resulting array. It requires 
that all the values are NON-NULL. Return type is the same as the input type. 
</p>
+<th><a class="el" 
href="array__ops_8sql__in.html#ae6881cc5c86941b6ffca35d7f3cd5c12" title="This 
function takes an array as the input and executes element-wise multiplication 
by the scalar prov...">array_scalar_mult()</a></th><td><p class="starttd">This 
function takes an array as the input and executes element-wise multiplication 
by the scalar provided as the second argument, returning the resulting array. 
It requires that all the values are NON-NULL. Return type is the same as the 
input type. </p>
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th>array_scalar_add()</th><td><p class="starttd">This function takes an array 
as the input and executes element-wise addition of the scalar provided as the 
second argument, returning the resulting array. It requires that all the values 
are NON-NULL. Return type is the same as the input type. </p>
+<th><a class="el" 
href="array__ops_8sql__in.html#a0b6ffe59b12c3dee076c3059f9ab363f" title="This 
function takes an array as the input and executes element-wise addition by the 
scalar provided a...">array_scalar_add()</a></th><td><p class="starttd">This 
function takes an array as the input and executes element-wise addition of the 
scalar provided as the second argument, returning the resulting array. It 
requires that all the values are NON-NULL. Return type is the same as the input 
type. </p>
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th>array_sqrt()</th><td><p class="starttd">This function takes an array as 
the input and finds square root of each element in the array, returning the 
resulting array. It requires that all the values are NON-NULL. </p>
+<th><a class="el" 
href="array__ops_8sql__in.html#a83451ed0c3ca5a9c62751dba47e45df7" title="This 
function takes an array as the input and finds square root of each element in 
the array...">array_sqrt()</a></th><td><p class="starttd">This function takes 
an array as the input and finds square root of each element in the array, 
returning the resulting array. It requires that all the values are NON-NULL. 
</p>
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th>array_pow()</th><td><p class="starttd">This function takes an array and a 
float8 as the input and finds power of each element in the array, returning the 
resulting array. It requires that all the values are NON-NULL. </p>
+<th><a class="el" 
href="array__ops_8sql__in.html#a761e7ca753a5e1acf26896b37ed8b0bd" title="This 
function takes an array and a float8 as the input and finds power of each 
element in the array...">array_pow()</a></th><td><p class="starttd">This 
function takes an array and a float8 as the input and finds power of each 
element in the array, returning the resulting array. It requires that all the 
values are NON-NULL. </p>
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th>array_square()</th><td><p class="starttd">This function takes an array as 
the input and finds square of each element in the array, returning the 
resulting array. It requires that all the values are NON-NULL. </p>
+<th><a class="el" 
href="array__ops_8sql__in.html#aff60f4091bed6374683f047c8a70ef9a" title="This 
function takes an array as the input and finds square of each element in the 
array...">array_square()</a></th><td><p class="starttd">This function takes an 
array as the input and finds square of each element in the array, returning the 
resulting array. It requires that all the values are NON-NULL. </p>
 <p class="endtd"></p>
 </td></tr>
 <tr>
-<th><a class="el" 
href="svec__util_8sql__in.html#aace16abea7c63f136520fde6c28f1f28">normalize()</a></th><td>This
 function normalizes an array as sum of squares to be 1. It requires that the 
array is 1-D and all the values are NON-NULL.  </td></tr>
+<th><a class="el" 
href="array__ops_8sql__in.html#acb57ea4521dcb717f9e3148e0acccc74" title="This 
function normalizes an array as sum of squares to be 1. 
">normalize()</a></th><td>This function normalizes an array as sum of squares 
to be 1. It requires that the array is 1-D and all the values are NON-NULL.  
</td></tr>
 </table>
 </dd></dl>
 <p><a class="anchor" id="examples"></a></p><dl class="section 
user"><dt>Examples</dt><dd></dd></dl>
@@ -319,7 +319,7 @@ SELECT madlib.array_fill(madlib.array_of_float(9), 
1.3::float);
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__arraysmatrix.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__arraysmatrix.html 
b/docs/latest/group__grp__arraysmatrix.html
index b360de4..e7615a5 100644
--- a/docs/latest/group__grp__arraysmatrix.html
+++ b/docs/latest/group__grp__arraysmatrix.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -161,7 +161,7 @@ Modules</h2></td></tr>
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__assoc__rules.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__assoc__rules.html 
b/docs/latest/group__grp__assoc__rules.html
index 7763199..9cc48c0 100644
--- a/docs/latest/group__grp__assoc__rules.html
+++ b/docs/latest/group__grp__assoc__rules.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -299,7 +299,7 @@ ORDER BY support DESC;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__association__rules.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__association__rules.html 
b/docs/latest/group__grp__association__rules.html
index e090eba..91fa398 100644
--- a/docs/latest/group__grp__association__rules.html
+++ b/docs/latest/group__grp__association__rules.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -125,7 +125,7 @@ Modules</h2></td></tr>
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__bayes.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__bayes.html 
b/docs/latest/group__grp__bayes.html
index 95aa26c..f86f8f0 100644
--- a/docs/latest/group__grp__bayes.html
+++ b/docs/latest/group__grp__bayes.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -474,7 +474,7 @@ SELECT * FROM probs_view;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__cg.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__cg.html b/docs/latest/group__grp__cg.html
index 2350fcb..ad239bc 100644
--- a/docs/latest/group__grp__cg.html
+++ b/docs/latest/group__grp__cg.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -171,7 +171,7 @@ INFO:  TEST FINAL ERROR 2.90029642185163e-29
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__clustered__errors.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__clustered__errors.html 
b/docs/latest/group__grp__clustered__errors.html
index 08febdf..cbe30c2 100644
--- a/docs/latest/group__grp__clustered__errors.html
+++ b/docs/latest/group__grp__clustered__errors.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -363,25 +363,25 @@ SELECT * FROM lung_cl_out;
 <li>Note that we need to manually include an intercept term in the independent 
variable expression. The NULL value of <em>groupingvar</em> means that there is 
no grouping in the calculation.</li>
 </ul>
 <p><a class="anchor" id="background"></a></p><dl class="section 
user"><dt>Technical Background</dt><dd></dd></dl>
-<p>Assume that the data can be separated into <img class="formulaInl" 
alt="$m$" src="form_313.png"/> clusters. Usually this can be done by grouping 
the data table according to one or multiple columns.</p>
+<p>Assume that the data can be separated into <img class="formulaInl" 
alt="$m$" src="form_314.png"/> clusters. Usually this can be done by grouping 
the data table according to one or multiple columns.</p>
 <p>The estimator has a similar form to the usual sandwich estimator </p><p 
class="formulaDsp">
-<img class="formulaDsp" alt="\[ S(\vec{c}) = B(\vec{c}) M(\vec{c}) B(\vec{c}) 
\]" src="form_314.png"/>
+<img class="formulaDsp" alt="\[ S(\vec{c}) = B(\vec{c}) M(\vec{c}) B(\vec{c}) 
\]" src="form_315.png"/>
 </p>
 <p>The bread part is the same as Huber-White sandwich estimator </p><p 
class="formulaDsp">
-<img class="formulaDsp" alt="\begin{eqnarray} B(\vec{c}) &amp; = &amp; 
\left(-\sum_{i=1}^{n} H(y_i, \vec{x}_i, \vec{c})\right)^{-1}\\ &amp; = &amp; 
\left(-\sum_{i=1}^{n}\frac{\partial^2 l(y_i, \vec{x}_i, \vec{c})}{\partial 
c_\alpha \partial c_\beta}\right)^{-1} \end{eqnarray}" src="form_315.png"/>
+<img class="formulaDsp" alt="\begin{eqnarray} B(\vec{c}) &amp; = &amp; 
\left(-\sum_{i=1}^{n} H(y_i, \vec{x}_i, \vec{c})\right)^{-1}\\ &amp; = &amp; 
\left(-\sum_{i=1}^{n}\frac{\partial^2 l(y_i, \vec{x}_i, \vec{c})}{\partial 
c_\alpha \partial c_\beta}\right)^{-1} \end{eqnarray}" src="form_316.png"/>
 </p>
-<p> where <img class="formulaInl" alt="$H$" src="form_316.png"/> is the 
hessian matrix, which is the second derivative of the target function </p><p 
class="formulaDsp">
-<img class="formulaDsp" alt="\[ L(\vec{c}) = \sum_{i=1}^n l(y_i, \vec{x}_i, 
\vec{c})\ . \]" src="form_317.png"/>
+<p> where <img class="formulaInl" alt="$H$" src="form_317.png"/> is the 
hessian matrix, which is the second derivative of the target function </p><p 
class="formulaDsp">
+<img class="formulaDsp" alt="\[ L(\vec{c}) = \sum_{i=1}^n l(y_i, \vec{x}_i, 
\vec{c})\ . \]" src="form_318.png"/>
 </p>
 <p>The meat part is different </p><p class="formulaDsp">
-<img class="formulaDsp" alt="\[ M(\vec{c}) = \bf{A}^T\bf{A} \]" 
src="form_318.png"/>
+<img class="formulaDsp" alt="\[ M(\vec{c}) = \bf{A}^T\bf{A} \]" 
src="form_319.png"/>
 </p>
-<p> where the <img class="formulaInl" alt="$m$" src="form_313.png"/>-th row of 
<img class="formulaInl" alt="$\bf{A}$" src="form_319.png"/> is </p><p 
class="formulaDsp">
-<img class="formulaDsp" alt="\[ A_m = \sum_{i\in G_m}\frac{\partial 
l(y_i,\vec{x}_i,\vec{c})}{\partial \vec{c}} \]" src="form_320.png"/>
+<p> where the <img class="formulaInl" alt="$m$" src="form_314.png"/>-th row of 
<img class="formulaInl" alt="$\bf{A}$" src="form_320.png"/> is </p><p 
class="formulaDsp">
+<img class="formulaDsp" alt="\[ A_m = \sum_{i\in G_m}\frac{\partial 
l(y_i,\vec{x}_i,\vec{c})}{\partial \vec{c}} \]" src="form_321.png"/>
 </p>
-<p> where <img class="formulaInl" alt="$G_m$" src="form_321.png"/> is the set 
of rows that belong to the same cluster.</p>
-<p>We can compute the quantities of <img class="formulaInl" alt="$B$" 
src="form_205.png"/> and <img class="formulaInl" alt="$A$" src="form_41.png"/> 
for each cluster during one scan through the data table in an aggregate 
function. Then sum over all clusters to the full <img class="formulaInl" 
alt="$B$" src="form_205.png"/> and <img class="formulaInl" alt="$A$" 
src="form_41.png"/> in the outside of the aggregate function. At last, the 
matrix mulplitications are done in a separate function on the master node.</p>
-<p>When multinomial logistic regression is computed before the multinomial 
clustered variance calculation, it uses a default reference category of zero 
and the regression coefficients are included in the output table. The 
regression coefficients in the output are in the same order as multinomial 
logistic regression function, which is described below. For a problem with <img 
class="formulaInl" alt="$ K $" src="form_117.png"/> dependent variables <img 
class="formulaInl" alt="$ (1, ..., K) $" src="form_118.png"/> and <img 
class="formulaInl" alt="$ J $" src="form_119.png"/> categories <img 
class="formulaInl" alt="$ (0, ..., J-1) $" src="form_120.png"/>, let <img 
class="formulaInl" alt="$ {m_{k,j}} $" src="form_121.png"/> denote the 
coefficient for dependent variable <img class="formulaInl" alt="$ k $" 
src="form_97.png"/> and category <img class="formulaInl" alt="$ j $" 
src="form_122.png"/>. The output is <img class="formulaInl" alt="$ {m_{k_1, 
j_0}, m_{k_1, j_1} \ldots m_{k_1, j_{J-1}},
  m_{k_2, j_0}, m_{k_2, j_1} \ldots m_{k_K, j_{J-1}}} $" src="form_322.png"/>. 
The order is NOT CONSISTENT with the multinomial regression marginal effect 
calculation with function <em>marginal_mlogregr</em>. This is deliberate 
because the interfaces of all multinomial regressions (robust, clustered, ...) 
will be moved to match that used in marginal.</p>
+<p> where <img class="formulaInl" alt="$G_m$" src="form_322.png"/> is the set 
of rows that belong to the same cluster.</p>
+<p>We can compute the quantities of <img class="formulaInl" alt="$B$" 
src="form_206.png"/> and <img class="formulaInl" alt="$A$" src="form_41.png"/> 
for each cluster during one scan through the data table in an aggregate 
function. Then sum over all clusters to the full <img class="formulaInl" 
alt="$B$" src="form_206.png"/> and <img class="formulaInl" alt="$A$" 
src="form_41.png"/> in the outside of the aggregate function. At last, the 
matrix mulplitications are done in a separate function on the master node.</p>
+<p>When multinomial logistic regression is computed before the multinomial 
clustered variance calculation, it uses a default reference category of zero 
and the regression coefficients are included in the output table. The 
regression coefficients in the output are in the same order as multinomial 
logistic regression function, which is described below. For a problem with <img 
class="formulaInl" alt="$ K $" src="form_117.png"/> dependent variables <img 
class="formulaInl" alt="$ (1, ..., K) $" src="form_118.png"/> and <img 
class="formulaInl" alt="$ J $" src="form_119.png"/> categories <img 
class="formulaInl" alt="$ (0, ..., J-1) $" src="form_120.png"/>, let <img 
class="formulaInl" alt="$ {m_{k,j}} $" src="form_121.png"/> denote the 
coefficient for dependent variable <img class="formulaInl" alt="$ k $" 
src="form_97.png"/> and category <img class="formulaInl" alt="$ j $" 
src="form_122.png"/>. The output is <img class="formulaInl" alt="$ {m_{k_1, 
j_0}, m_{k_1, j_1} \ldots m_{k_1, j_{J-1}},
  m_{k_2, j_0}, m_{k_2, j_1} \ldots m_{k_K, j_{J-1}}} $" src="form_323.png"/>. 
The order is NOT CONSISTENT with the multinomial regression marginal effect 
calculation with function <em>marginal_mlogregr</em>. This is deliberate 
because the interfaces of all multinomial regressions (robust, clustered, ...) 
will be moved to match that used in marginal.</p>
 <p><a class="anchor" id="literature"></a></p><dl class="section 
user"><dt>Literature</dt><dd></dd></dl>
 <p>[1] Standard, Robust, and Clustered Standard Errors Computed in R, <a 
href="http://diffuseprior.wordpress.com/2012/06/15/standard-robust-and-clustered-standard-errors-computed-in-r/";>http://diffuseprior.wordpress.com/2012/06/15/standard-robust-and-clustered-standard-errors-computed-in-r/</a></p>
 <p><a class="anchor" id="related"></a></p><dl class="section user"><dt>Related 
Topics</dt><dd>File <a class="el" 
href="clustered__variance_8sql__in.html">clustered_variance.sql_in</a> 
documenting the clustered variance SQL functions.</dd></dl>
@@ -391,7 +391,7 @@ SELECT * FROM lung_cl_out;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__clustering.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__clustering.html 
b/docs/latest/group__grp__clustering.html
index c0cb740..0cf3a34 100644
--- a/docs/latest/group__grp__clustering.html
+++ b/docs/latest/group__grp__clustering.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -125,7 +125,7 @@ Modules</h2></td></tr>
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__correlation.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__correlation.html 
b/docs/latest/group__grp__correlation.html
index 4e57436..38d945b 100644
--- a/docs/latest/group__grp__correlation.html
+++ b/docs/latest/group__grp__correlation.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -118,7 +118,7 @@ 
$(document).ready(function(){initNavTree('group__grp__correlation.html','');});
 <a href="#seealso">See Also</a> </li>
 </ul>
 </div><p>A correlation function is the degree and direction of association of 
two variables&mdash;how well one random variable can be predicted from the 
other. The coefficient of correlation varies from -1 to 1. A coefficient of 1 
implies perfect correlation, 0 means no correlation, and -1 means perfect 
anti-correlation.</p>
-<p>This function provides a cross-correlation matrix for all pairs of numeric 
columns in a <em>source_table</em>. A correlation matrix describes correlation 
among <img class="formulaInl" alt="$ M $" src="form_174.png"/> variables. It is 
a square symmetrical <img class="formulaInl" alt="$ M $" src="form_174.png"/>x 
<img class="formulaInl" alt="$M $" src="form_379.png"/> matrix with the <img 
class="formulaInl" alt="$ (ij) $" src="form_380.png"/>th element equal to the 
correlation coefficient between the <img class="formulaInl" alt="$i$" 
src="form_128.png"/>th and the <img class="formulaInl" alt="$j$" 
src="form_129.png"/>th variable. The diagonal elements (correlations of 
variables with themselves) are always equal to 1.0.</p>
+<p>This function provides a cross-correlation matrix for all pairs of numeric 
columns in a <em>source_table</em>. A correlation matrix describes correlation 
among <img class="formulaInl" alt="$ M $" src="form_174.png"/> variables. It is 
a square symmetrical <img class="formulaInl" alt="$ M $" src="form_174.png"/>x 
<img class="formulaInl" alt="$M $" src="form_380.png"/> matrix with the <img 
class="formulaInl" alt="$ (ij) $" src="form_381.png"/>th element equal to the 
correlation coefficient between the <img class="formulaInl" alt="$i$" 
src="form_128.png"/>th and the <img class="formulaInl" alt="$j$" 
src="form_129.png"/>th variable. The diagonal elements (correlations of 
variables with themselves) are always equal to 1.0.</p>
 <p><a class="anchor" id="usage"></a></p><dl class="section 
user"><dt>Correlation Function</dt><dd></dd></dl>
 <p>The correlation function has the following syntax: </p><pre class="syntax">
 correlation( source_table,
@@ -253,7 +253,7 @@ SELECT * FROM cov_output ORDER BY column_position;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__countmin.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__countmin.html 
b/docs/latest/group__grp__countmin.html
index be5a7a2..b1e754a 100644
--- a/docs/latest/group__grp__countmin.html
+++ b/docs/latest/group__grp__countmin.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -244,13 +244,13 @@ FROM data;
 <p>[1] G. Cormode and S. Muthukrishnan. An improved data stream summary: The 
count-min sketch and its applications. LATIN 2004, J. Algorithm 55(1): 58-75 
(2005) . <a 
href="http://dimacs.rutgers.edu/~graham/pubs/html/CormodeMuthukrishnan04CMLatin.html";>http://dimacs.rutgers.edu/~graham/pubs/html/CormodeMuthukrishnan04CMLatin.html</a></p>
 <p>[2] G. Cormode. Encyclopedia entry on 'Count-Min Sketch'. In L. Liu and M. 
T. Ozsu, editors, Encyclopedia of Database Systems, pages 511-516. Springer, 
2009. <a 
href="http://dimacs.rutgers.edu/~graham/pubs/html/Cormode09b.html";>http://dimacs.rutgers.edu/~graham/pubs/html/Cormode09b.html</a></p>
 <p><a class="anchor" id="related"></a>File <a class="el" 
href="sketch_8sql__in.html" title="SQL functions for sketch-based 
approximations of descriptive statistics. ">sketch.sql_in</a> documenting the 
SQL functions.</p>
-<p>Module <a class="el" href="group__grp__quantile.html">Quantile</a> for a 
different implementation of quantile function. </p>
+<p>Module grp_quantile for a different implementation of quantile function. 
</p>
 </div><!-- contents -->
 </div><!-- doc-content -->
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__cox__prop__hazards.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__cox__prop__hazards.html 
b/docs/latest/group__grp__cox__prop__hazards.html
index 52a4db1..c222769 100644
--- a/docs/latest/group__grp__cox__prop__hazards.html
+++ b/docs/latest/group__grp__cox__prop__hazards.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -419,26 +419,26 @@ p_value    | {0.991994376850758,0.878855984657948}
 </pre></li>
 </ol>
 <p><a class="anchor" id="background"></a></p><dl class="section 
user"><dt>Technical Background</dt><dd></dd></dl>
-<p>Generally, proportional-hazard models start with a list of <img 
class="formulaInl" alt="$ \boldsymbol n $" src="form_381.png"/> observations, 
each with <img class="formulaInl" alt="$ \boldsymbol m $" src="form_382.png"/> 
covariates and a time of death. From this <img class="formulaInl" alt="$ 
\boldsymbol n \times m $" src="form_383.png"/> matrix, we would like to derive 
the correlation between the covariates and the hazard function. This amounts to 
finding the parameters <img class="formulaInl" alt="$ \boldsymbol \beta $" 
src="form_384.png"/> that best fit the model described below.</p>
+<p>Generally, proportional-hazard models start with a list of <img 
class="formulaInl" alt="$ \boldsymbol n $" src="form_382.png"/> observations, 
each with <img class="formulaInl" alt="$ \boldsymbol m $" src="form_383.png"/> 
covariates and a time of death. From this <img class="formulaInl" alt="$ 
\boldsymbol n \times m $" src="form_384.png"/> matrix, we would like to derive 
the correlation between the covariates and the hazard function. This amounts to 
finding the parameters <img class="formulaInl" alt="$ \boldsymbol \beta $" 
src="form_385.png"/> that best fit the model described below.</p>
 <p>Let us define:</p><ul>
-<li><img class="formulaInl" alt="$ \boldsymbol t \in \mathbf R^{m} $" 
src="form_385.png"/> denote the vector of observed dependent variables, with 
<img class="formulaInl" alt="$ n $" src="form_10.png"/> rows.</li>
-<li><img class="formulaInl" alt="$ X \in \mathbf R^{m} $" src="form_386.png"/> 
denote the design matrix with <img class="formulaInl" alt="$ m $" 
src="form_291.png"/> columns and <img class="formulaInl" alt="$ n $" 
src="form_10.png"/> rows, containing all observed vectors of independent 
variables <img class="formulaInl" alt="$ \boldsymbol x_i $" src="form_99.png"/> 
as rows.</li>
-<li><img class="formulaInl" alt="$ R(t_i) $" src="form_387.png"/> denote the 
set of observations still alive at time <img class="formulaInl" alt="$ t_i $" 
src="form_388.png"/></li>
+<li><img class="formulaInl" alt="$ \boldsymbol t \in \mathbf R^{m} $" 
src="form_386.png"/> denote the vector of observed dependent variables, with 
<img class="formulaInl" alt="$ n $" src="form_10.png"/> rows.</li>
+<li><img class="formulaInl" alt="$ X \in \mathbf R^{m} $" src="form_387.png"/> 
denote the design matrix with <img class="formulaInl" alt="$ m $" 
src="form_292.png"/> columns and <img class="formulaInl" alt="$ n $" 
src="form_10.png"/> rows, containing all observed vectors of independent 
variables <img class="formulaInl" alt="$ \boldsymbol x_i $" src="form_99.png"/> 
as rows.</li>
+<li><img class="formulaInl" alt="$ R(t_i) $" src="form_388.png"/> denote the 
set of observations still alive at time <img class="formulaInl" alt="$ t_i $" 
src="form_389.png"/></li>
 </ul>
 <p>Note that this model <b>does not</b> include a <b>constant term</b>, and 
the data cannot contain a column of 1s.</p>
 <p>By definition, </p><p class="formulaDsp">
-<img class="formulaDsp" alt="\[ P[T_k = t_i | \boldsymbol R(t_i)] = 
\frac{e^{\beta^T x_k} }{ \sum_{j \in R(t_i)} e^{\beta^T x_j}}. \,. \]" 
src="form_389.png"/>
+<img class="formulaDsp" alt="\[ P[T_k = t_i | \boldsymbol R(t_i)] = 
\frac{e^{\beta^T x_k} }{ \sum_{j \in R(t_i)} e^{\beta^T x_j}}. \,. \]" 
src="form_390.png"/>
 </p>
 <p>The <b>partial likelihood </b>function can now be generated as the product 
of conditional probabilities: </p><p class="formulaDsp">
-<img class="formulaDsp" alt="\[ \mathcal L = \prod_{i = 1}^n \left( 
\frac{e^{\beta^T x_i}}{ \sum_{j \in R(t_i)} e^{\beta^T x_j}} \right). \]" 
src="form_390.png"/>
+<img class="formulaDsp" alt="\[ \mathcal L = \prod_{i = 1}^n \left( 
\frac{e^{\beta^T x_i}}{ \sum_{j \in R(t_i)} e^{\beta^T x_j}} \right). \]" 
src="form_391.png"/>
 </p>
 <p>The log-likelihood form of this equation is </p><p class="formulaDsp">
-<img class="formulaDsp" alt="\[ L = \sum_{i = 1}^n \left[ \beta^T x_i - 
\log\left(\sum_{j \in R(t_i)} e^{\beta^T x_j }\right) \right]. \]" 
src="form_391.png"/>
+<img class="formulaDsp" alt="\[ L = \sum_{i = 1}^n \left[ \beta^T x_i - 
\log\left(\sum_{j \in R(t_i)} e^{\beta^T x_j }\right) \right]. \]" 
src="form_392.png"/>
 </p>
 <p>Using this score function and Hessian matrix, the partial likelihood can be 
maximized using the <b> Newton-Raphson algorithm</b>. <b>Breslow's method</b> 
is used to resolved tied times of deaths. The time of death for two records are 
considered "equal" if they differ by less than 1.0e-6</p>
-<p>The inverse of the Hessian matrix, evaluated at the estimate of <img 
class="formulaInl" alt="$ \boldsymbol \beta $" src="form_384.png"/>, can be 
used as an <b>approximate variance-covariance matrix </b> for the estimate, and 
used to produce approximate <b>standard errors</b> for the regression 
coefficients.</p>
+<p>The inverse of the Hessian matrix, evaluated at the estimate of <img 
class="formulaInl" alt="$ \boldsymbol \beta $" src="form_385.png"/>, can be 
used as an <b>approximate variance-covariance matrix </b> for the estimate, and 
used to produce approximate <b>standard errors</b> for the regression 
coefficients.</p>
 <p class="formulaDsp">
-<img class="formulaDsp" alt="\[ \mathit{se}(c_i) = \left( (H)^{-1} 
\right)_{ii} \,. \]" src="form_392.png"/>
+<img class="formulaDsp" alt="\[ \mathit{se}(c_i) = \left( (H)^{-1} 
\right)_{ii} \,. \]" src="form_393.png"/>
 </p>
 <p> The Wald z-statistic is </p><p class="formulaDsp">
 <img class="formulaDsp" alt="\[ z_i = \frac{c_i}{\mathit{se}(c_i)} \,. \]" 
src="form_109.png"/>
@@ -447,13 +447,13 @@ p_value    | {0.991994376850758,0.878855984657948}
 <img class="formulaDsp" alt="\[ p_i = \Pr(|Z| \geq |z_i|) = 2 \cdot (1 - F( 
|z_i| )) \]" src="form_113.png"/>
 </p>
 <p> where <img class="formulaInl" alt="$ Z $" src="form_114.png"/> is a 
standard normally distributed random variable.</p>
-<p>The condition number is computed as <img class="formulaInl" alt="$ 
\kappa(H) $" src="form_393.png"/> during the iteration immediately 
<em>preceding</em> convergence (i.e., <img class="formulaInl" alt="$ A $" 
src="form_13.png"/> is computed using the coefficients of the previous 
iteration). A large condition number (say, more than 1000) indicates the 
presence of significant multicollinearity.</p>
+<p>The condition number is computed as <img class="formulaInl" alt="$ 
\kappa(H) $" src="form_394.png"/> during the iteration immediately 
<em>preceding</em> convergence (i.e., <img class="formulaInl" alt="$ A $" 
src="form_13.png"/> is computed using the coefficients of the previous 
iteration). A large condition number (say, more than 1000) indicates the 
presence of significant multicollinearity.</p>
 <p><a class="anchor" id="Literature"></a></p><dl class="section 
user"><dt>Literature</dt><dd></dd></dl>
 <p>A somewhat random selection of nice write-ups, with valuable pointers into 
further literature:</p>
 <p>[1] John Fox: Cox Proportional-Hazards Regression for Survival Data, 
Appendix to An R and S-PLUS companion to Applied Regression Feb 2012, <a 
href="http://cran.r-project.org/doc/contrib/Fox-Companion/appendix-cox-regression.pdf";>http://cran.r-project.org/doc/contrib/Fox-Companion/appendix-cox-regression.pdf</a></p>
 <p>[2] Stephen J Walters: What is a Cox model? <a 
href="http://www.medicine.ox.ac.uk/bandolier/painres/download/whatis/cox_model.pdf";>http://www.medicine.ox.ac.uk/bandolier/painres/download/whatis/cox_model.pdf</a></p>
 <p><a class="anchor" id="notes"></a></p><dl class="section 
user"><dt>Notes</dt><dd></dd></dl>
-<p>If number of ties in the source table is very large, a memory allocation 
error may be raised. The limitation is about <img class="formulaInl" 
alt="$(10^8 / m)$" src="form_394.png"/>, where <img class="formulaInl" 
alt="$m$" src="form_313.png"/> is number of featrues. For instance, if there 
are 100 featrues, the number of ties should be fewer than 1 million.</p>
+<p>If number of ties in the source table is very large, a memory allocation 
error may be raised. The limitation is about <img class="formulaInl" 
alt="$(10^8 / m)$" src="form_395.png"/>, where <img class="formulaInl" 
alt="$m$" src="form_314.png"/> is number of featrues. For instance, if there 
are 100 featrues, the number of ties should be fewer than 1 million.</p>
 <p><a class="anchor" id="related"></a></p><dl class="section user"><dt>Related 
Topics</dt><dd></dd></dl>
 <p>File <a class="el" href="cox__prop__hazards_8sql__in.html" title="SQL 
functions for cox proportional hazards. ">cox_prop_hazards.sql_in</a> 
documenting the functions</p>
 </div><!-- contents -->
@@ -461,7 +461,7 @@ p_value    | {0.991994376850758,0.878855984657948}
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__crf.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__crf.html b/docs/latest/group__grp__crf.html
index f2b804f..fa0d65a 100644
--- a/docs/latest/group__grp__crf.html
+++ b/docs/latest/group__grp__crf.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -611,7 +611,7 @@ SELECT * FROM extracted_best_labels;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__data__prep.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__data__prep.html 
b/docs/latest/group__grp__data__prep.html
index fce1a96..a9c02e6 100644
--- a/docs/latest/group__grp__data__prep.html
+++ b/docs/latest/group__grp__data__prep.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -235,7 +235,7 @@ select * from abalone_out;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__datatrans.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__datatrans.html 
b/docs/latest/group__grp__datatrans.html
index af93cf2..cb33abe 100644
--- a/docs/latest/group__grp__datatrans.html
+++ b/docs/latest/group__grp__datatrans.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -125,6 +125,9 @@ Modules</h2></td></tr>
 <tr class="memitem:group__grp__data__prep"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" href="group__grp__data__prep.html">Encoding 
Categorical Variables</a></td></tr>
 <tr class="memdesc:group__grp__data__prep"><td 
class="mdescLeft">&#160;</td><td class="mdescRight">Provides utility functions 
helpful for data preparation before modeling. <br /></td></tr>
 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:group__grp__pivot"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__pivot.html">Pivot</a></td></tr>
+<tr class="memdesc:group__grp__pivot"><td class="mdescLeft">&#160;</td><td 
class="mdescRight">Provides pivoting functions helpful for data preparation 
before modeling. <br /></td></tr>
+<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:group__grp__stemmer"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__stemmer.html">Stemming</a></td></tr>
 <tr class="memdesc:group__grp__stemmer"><td class="mdescLeft">&#160;</td><td 
class="mdescRight">Provides porter stemmer operations supporting other MADlib 
modules. <br /></td></tr>
 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
@@ -134,7 +137,7 @@ Modules</h2></td></tr>
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__datatrans.js
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__datatrans.js 
b/docs/latest/group__grp__datatrans.js
index 74fa1e9..9a025ce 100644
--- a/docs/latest/group__grp__datatrans.js
+++ b/docs/latest/group__grp__datatrans.js
@@ -3,5 +3,6 @@ var group__grp__datatrans =
     [ "Arrays and Matrices", "group__grp__arraysmatrix.html", 
"group__grp__arraysmatrix" ],
     [ "Dimensionality Reduction", "group__grp__pca.html", "group__grp__pca" ],
     [ "Encoding Categorical Variables", "group__grp__data__prep.html", null ],
+    [ "Pivot", "group__grp__pivot.html", null ],
     [ "Stemming", "group__grp__stemmer.html", null ]
 ];
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__decision__tree.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__decision__tree.html 
b/docs/latest/group__grp__decision__tree.html
index 1b2feb0..0fdb123 100644
--- a/docs/latest/group__grp__decision__tree.html
+++ b/docs/latest/group__grp__decision__tree.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -317,6 +317,7 @@ tree_train(
 <li>Many of the parameters are designed to be similar to the popular R package 
'rpart'. An important distinction between rpart and the above MADlib function 
is that for both response and feature variables, MADlib considers integer 
values as categorical values, while rpart considers them as continuous.</li>
 <li>When using no surrogates (<em>max_surrogates</em>=0), all rows containing 
NULL value for any of the features used for training will be ignored from 
training and prediction.</li>
 <li>When cross-validation is not used (<em>n_folds</em>=0), each tree outputed 
is pruned by inputed cost-complextity (<em>cp</em>). With cross-validation, 
inputed <em>cp</em> is the minimum value of all the explored values of 'cp'. 
During cross-validation, we train an initial tree using the provided 
<em>cp</em> and explore all possible sub-trees (upto a single-node tree) to 
compute the optimal sub-tree. The optimal sub-tree and the 'cp' corresponding 
to this optimal sub-tree is placed in the <em>output_table</em>, with their 
columns named as <em>tree</em> and <em>pruning_cp</em> respectively.</li>
+<li>The main parameters that affect memory usage are: depth of tree, number of 
features, and number of values per feature. If you are hitting VMEM limits, 
consider reducing one or more of these parameters.</li>
 </ul>
 </dd></dl>
 <p><a class="anchor" id="predict"></a></p><dl class="section 
user"><dt>Prediction Function</dt><dd>The prediction function is provided to 
estimate the conditional mean given a new predictor. It has the following 
syntax: <pre class="syntax">
@@ -679,7 +680,7 @@ SELECT s.id, mpg, estimated_mpg FROM prediction_results p, 
mt_cars s where s.id
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__dectree.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__dectree.html 
b/docs/latest/group__grp__dectree.html
index 93feb81..1ab8981 100644
--- a/docs/latest/group__grp__dectree.html
+++ b/docs/latest/group__grp__dectree.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9dev</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -114,7 +114,7 @@ 
$(document).ready(function(){initNavTree('group__grp__dectree.html','');});
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Jun 7 2016 09:40:56 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__dense__linear__solver.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__dense__linear__solver.html 
b/docs/latest/group__grp__dense__linear__solver.html
index 6adf84d..6f51e99 100644
--- a/docs/latest/group__grp__dense__linear__solver.html
+++ b/docs/latest/group__grp__dense__linear__solver.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -120,9 +120,9 @@ 
$(document).ready(function(){initNavTree('group__grp__dense__linear__solver.html
 <a href="#related">Related Topics</a> </li>
 </ul>
 </div><p>The linear systems module implements solution methods for systems of 
consistent linear equations. Systems of linear equations take the form: </p><p 
class="formulaDsp">
-<img class="formulaDsp" alt="\[ Ax = b \]" src="form_211.png"/>
+<img class="formulaDsp" alt="\[ Ax = b \]" src="form_212.png"/>
 </p>
-<p>where <img class="formulaInl" alt="$x \in \mathbb{R}^{n}$" 
src="form_212.png"/>, <img class="formulaInl" alt="$A \in \mathbb{R}^{m \times 
n} $" src="form_213.png"/> and <img class="formulaInl" alt="$b \in 
\mathbb{R}^{m}$" src="form_214.png"/>. We assume that there are no rows of <img 
class="formulaInl" alt="$A$" src="form_41.png"/> where all elements are zero. 
The algorithms implemented in this module can handle large dense linear 
systems. Currently, the algorithms implemented in this module solve the linear 
system by a direct decomposition. Hence, these methods are known as <em>direct 
method</em>.</p>
+<p>where <img class="formulaInl" alt="$x \in \mathbb{R}^{n}$" 
src="form_213.png"/>, <img class="formulaInl" alt="$A \in \mathbb{R}^{m \times 
n} $" src="form_214.png"/> and <img class="formulaInl" alt="$b \in 
\mathbb{R}^{m}$" src="form_215.png"/>. We assume that there are no rows of <img 
class="formulaInl" alt="$A$" src="form_41.png"/> where all elements are zero. 
The algorithms implemented in this module can handle large dense linear 
systems. Currently, the algorithms implemented in this module solve the linear 
system by a direct decomposition. Hence, these methods are known as <em>direct 
method</em>.</p>
 <p><a class="anchor" id="dls_usage"></a></p><dl class="section 
user"><dt>Solution Function</dt><dd><pre class="syntax">
 linear_solver_dense( tbl_source,
                      tbl_result,
@@ -149,7 +149,7 @@ linear_solver_dense( tbl_source,
 <tr>
 <th>solution </th><td>FLOAT8[]. The solution variables in the same order as 
that provided as input in the 'left_hand_side' column name of the 
<em>source_table</em>  </td></tr>
 <tr>
-<th>residual_norm </th><td>FLOAT8. The scaled residual norm, defined as <img 
class="formulaInl" alt="$ \frac{|Ax - b|}{|b|} $" src="form_215.png"/>. This 
value is an indication of the accuracy of the solution.  </td></tr>
+<th>residual_norm </th><td>FLOAT8. The scaled residual norm, defined as <img 
class="formulaInl" alt="$ \frac{|Ax - b|}{|b|} $" src="form_216.png"/>. This 
value is an indication of the accuracy of the solution.  </td></tr>
 <tr>
 <th>iters </th><td>INTEGER. Number of iterations required by the algorithm 
(only applicable for iterative algorithms). The output is NULL for 'direct' 
methods.   </td></tr>
 </table>
@@ -157,7 +157,7 @@ linear_solver_dense( tbl_source,
 </dd>
 <dt>row_id </dt>
 <dd><p class="startdd">TEXT. The name of the column storing the 'row id' of 
the equations.</p>
-<p>For a system with N equations, the row_id's must be a continuous range of 
integers from <img class="formulaInl" alt="$ 0 \ldots n-1 $" 
src="form_216.png"/>. </p>
+<p>For a system with N equations, the row_id's must be a continuous range of 
integers from <img class="formulaInl" alt="$ 0 \ldots n-1 $" 
src="form_217.png"/>. </p>
 <p class="enddd"></p>
 </dd>
 <dt>LHS </dt>
@@ -248,7 +248,7 @@ SELECT madlib.linear_solver_dense( 
'linear_systems_test_data',
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__deprecated.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__deprecated.html 
b/docs/latest/group__grp__deprecated.html
index cdded5b..cd9f49c 100644
--- a/docs/latest/group__grp__deprecated.html
+++ b/docs/latest/group__grp__deprecated.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -116,28 +116,16 @@ 
$(document).ready(function(){initNavTree('group__grp__deprecated.html','');});
 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a 
name="groups"></a>
 Modules</h2></td></tr>
-<tr class="memitem:group__grp__dectree"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__dectree.html">Decision Tree (old C4.5 
implementation)</a></td></tr>
-<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
-<tr class="memitem:group__grp__svdmf"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__svdmf.html">Matrix Factorization</a></td></tr>
-<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:group__grp__mlogreg"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__mlogreg.html">Multinomial Logistic Regression</a></td></tr>
 <tr class="memdesc:group__grp__mlogreg"><td class="mdescLeft">&#160;</td><td 
class="mdescRight">Also called as softmax regression, models the relationship 
between one or more independent variables and a categorical dependent variable. 
<br /></td></tr>
 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
-<tr class="memitem:group__grp__profile"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__profile.html">Profile</a></td></tr>
-<tr class="memdesc:group__grp__profile"><td class="mdescLeft">&#160;</td><td 
class="mdescRight">Produces a "profile" of a table or view by running a 
predefined set of aggregates on each column. <br /></td></tr>
-<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
-<tr class="memitem:group__grp__quantile"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__quantile.html">Quantile</a></td></tr>
-<tr class="memdesc:group__grp__quantile"><td class="mdescLeft">&#160;</td><td 
class="mdescRight">Computes a quantile value for a column in a table. <br 
/></td></tr>
-<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
-<tr class="memitem:group__grp__rf"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__rf.html">Random Forest (old implementation)</a></td></tr>
-<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 </div><!-- contents -->
 </div><!-- doc-content -->
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__deprecated.js
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__deprecated.js 
b/docs/latest/group__grp__deprecated.js
index dfdf4a1..28597c0 100644
--- a/docs/latest/group__grp__deprecated.js
+++ b/docs/latest/group__grp__deprecated.js
@@ -1,9 +1,4 @@
 var group__grp__deprecated =
 [
-    [ "Decision Tree (old C4.5 implementation)", "group__grp__dectree.html", 
null ],
-    [ "Matrix Factorization", "group__grp__svdmf.html", null ],
-    [ "Multinomial Logistic Regression", "group__grp__mlogreg.html", null ],
-    [ "Profile", "group__grp__profile.html", null ],
-    [ "Quantile", "group__grp__quantile.html", null ],
-    [ "Random Forest (old implementation)", "group__grp__rf.html", null ]
+    [ "Multinomial Logistic Regression", "group__grp__mlogreg.html", null ]
 ];
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__desc__stats.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__desc__stats.html 
b/docs/latest/group__grp__desc__stats.html
index b168712..e73abf3 100644
--- a/docs/latest/group__grp__desc__stats.html
+++ b/docs/latest/group__grp__desc__stats.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -128,7 +128,7 @@ Modules</h2></td></tr>
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__early__stage.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__early__stage.html 
b/docs/latest/group__grp__early__stage.html
index aa64ccc..0068654 100644
--- a/docs/latest/group__grp__early__stage.html
+++ b/docs/latest/group__grp__early__stage.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -127,15 +127,13 @@ Modules</h2></td></tr>
 <tr class="memitem:group__grp__sample"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__sample.html">Random Sampling</a></td></tr>
 <tr class="memdesc:group__grp__sample"><td class="mdescLeft">&#160;</td><td 
class="mdescRight">Provides utility functions for sampling operations. <br 
/></td></tr>
 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
-<tr class="memitem:group__grp__kernmach"><td class="memItemLeft" align="right" 
valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" 
href="group__grp__kernmach.html">Support Vector Machines</a></td></tr>
-<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 </div><!-- contents -->
 </div><!-- doc-content -->
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__early__stage.js
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__early__stage.js 
b/docs/latest/group__grp__early__stage.js
index b5c2b12..48f836c 100644
--- a/docs/latest/group__grp__early__stage.js
+++ b/docs/latest/group__grp__early__stage.js
@@ -3,6 +3,5 @@ var group__grp__early__stage =
     [ "Cardinality Estimators", "group__grp__sketches.html", 
"group__grp__sketches" ],
     [ "Conjugate Gradient", "group__grp__cg.html", null ],
     [ "Naive Bayes Classification", "group__grp__bayes.html", null ],
-    [ "Random Sampling", "group__grp__sample.html", null ],
-    [ "Support Vector Machines", "group__grp__kernmach.html", null ]
+    [ "Random Sampling", "group__grp__sample.html", null ]
 ];
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__elasticnet.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__elasticnet.html 
b/docs/latest/group__grp__elasticnet.html
index 86dd1cb..320bf19 100644
--- a/docs/latest/group__grp__elasticnet.html
+++ b/docs/latest/group__grp__elasticnet.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -534,7 +534,7 @@ ORDER BY id;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__fmsketch.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__fmsketch.html 
b/docs/latest/group__grp__fmsketch.html
index e52c978..b84f5cb 100644
--- a/docs/latest/group__grp__fmsketch.html
+++ b/docs/latest/group__grp__fmsketch.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -153,7 +153,7 @@ class | fmsketch_dcount
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__glm.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__glm.html b/docs/latest/group__grp__glm.html
index 3fb6f0a..aac40a8 100644
--- a/docs/latest/group__grp__glm.html
+++ b/docs/latest/group__grp__glm.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -564,7 +564,7 @@ FROM abalone_out, abalone;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__inf__stats.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__inf__stats.html 
b/docs/latest/group__grp__inf__stats.html
index 2bc6249..2166179 100644
--- a/docs/latest/group__grp__inf__stats.html
+++ b/docs/latest/group__grp__inf__stats.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -125,7 +125,7 @@ Modules</h2></td></tr>
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__kernmach.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__kernmach.html 
b/docs/latest/group__grp__kernmach.html
index d3dfd27..4b9a08b 100644
--- a/docs/latest/group__grp__kernmach.html
+++ b/docs/latest/group__grp__kernmach.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9dev</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -114,7 +114,7 @@ 
$(document).ready(function(){initNavTree('group__grp__kernmach.html','');});
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Jun 7 2016 09:40:56 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__kmeans.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__kmeans.html 
b/docs/latest/group__grp__kmeans.html
index 77ed815..a984372 100644
--- a/docs/latest/group__grp__kmeans.html
+++ b/docs/latest/group__grp__kmeans.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -399,7 +399,7 @@ simple_silhouette( rel_source,
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__lda.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__lda.html b/docs/latest/group__grp__lda.html
index 851aa4c..e017a3d 100644
--- a/docs/latest/group__grp__lda.html
+++ b/docs/latest/group__grp__lda.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -447,7 +447,7 @@ SELECT madlib.lda_get_perplexity( 'my_model',
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__linalg.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__linalg.html 
b/docs/latest/group__grp__linalg.html
index 20a2cbc..51afd84 100644
--- a/docs/latest/group__grp__linalg.html
+++ b/docs/latest/group__grp__linalg.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -293,7 +293,7 @@ FROM vector;
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:10 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

http://git-wip-us.apache.org/repos/asf/incubator-madlib-site/blob/bed9253d/docs/latest/group__grp__linear__solver.html
----------------------------------------------------------------------
diff --git a/docs/latest/group__grp__linear__solver.html 
b/docs/latest/group__grp__linear__solver.html
index 6624281..4fdbe23 100644
--- a/docs/latest/group__grp__linear__solver.html
+++ b/docs/latest/group__grp__linear__solver.html
@@ -47,7 +47,7 @@
   <td id="projectlogo"><a href="http://madlib.net";><img alt="Logo" 
src="madlib.png" height="50" style="padding-left:0.5em;" border="0"/ ></a></td>
   <td style="padding-left: 0.5em;">
    <div id="projectname">
-   <span id="projectnumber">1.9</span>
+   <span id="projectnumber">1.9.1</span>
    </div>
    <div id="projectbrief">User Documentation for MADlib</div>
   </td>
@@ -128,7 +128,7 @@ Modules</h2></td></tr>
 <!-- start footer part -->
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
-    <li class="footer">Generated on Thu Apr 7 2016 14:24:11 for MADlib by
+    <li class="footer">Generated on Tue Sep 20 2016 11:27:01 for MADlib by
     <a href="http://www.doxygen.org/index.html";>
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.10 </li>
   </ul>

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