Author: gregs
Date: Sat Sep 10 20:21:52 2011
New Revision: 1167600
URL: http://svn.apache.org/viewvc?rev=1167600&view=rev
Log:
(MATH-649) SimpleRegression needs the ability to suppress the intercept
This commit pushes changes to allow the estimation of the a regression in which
the intercept is constrained to be zero. I am also pushing changes to
change.xml.
Modified:
commons/proper/math/trunk/src/site/xdoc/changes.xml
Modified: commons/proper/math/trunk/src/site/xdoc/changes.xml
URL:
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/site/xdoc/changes.xml?rev=1167600&r1=1167599&r2=1167600&view=diff
==============================================================================
--- commons/proper/math/trunk/src/site/xdoc/changes.xml (original)
+++ commons/proper/math/trunk/src/site/xdoc/changes.xml Sat Sep 10 20:21:52 2011
@@ -20,7 +20,7 @@
This file is used by the maven-changes-plugin to generate the release notes.
Useful ways of finding items to add to this file are:
-1. Add items when you fix a bug or add a feature (this makes the
+1. Add items when you fix a bug or add a feature (this makes the
release process easy :-).
2. Do a JIRA search for tickets closed since the previous release.
@@ -32,7 +32,7 @@ To generate the release notes from this
mvn changes:announcement-generate
mv target/announcement/RELEASE_NOTES.txt RELEASE_NOTES.txt
-then tweak the formatting
+then tweak the formatting
(e.g. copy/paste the description to replace the one-line version)
and commit
@@ -44,7 +44,7 @@ The <action> type attribute can be add,u
<title>Commons Math Release Notes</title>
</properties>
<body>
- <!-- NOTE:
+ <!-- NOTE:
The description below is specially formatted so as to improve the layout
of the generated release notes:
The parsing process removes all line feeds, replacing them with a single
space.
The Velocity template in resources/templates has been enhanced to replace
pairs of adjacent spaces
@@ -52,6 +52,9 @@ The <action> type attribute can be add,u
If the output is not quite correct, check for invisible trailing spaces!
-->
<release version="3.0" date="TBD" description="TBD">
+ <action dev="gregs" type="fix" issue="MATH-649">
+ Added the ability to suppress the estimation of the intercept.
+ </action>
<action dev="sebb" type="fix" issue="MATH-658" due-to="Yannick TANGUY">
Dead code in FastMath.pow(double, double) and some improvement in test
coverage.
</action>
@@ -60,18 +63,18 @@ The <action> type attribute can be add,u
"toArray()".
</action>
<action dev="luc" type="update" issue="MATH-195" >
- Removed completely MathUserException.
+ Removed completely MathUserException.
</action>
<action dev="luc" type="update" issue="MATH-488" >
- Use the refactored exceptions framework for ODE.
+ Use the refactored exceptions framework for ODE.
</action>
<action dev="luc" type="add" >
Added a getter to allow retrieving the exception related to an
exception context
- provider.
+ provider.
</action>
<action dev="psteitz" type="update" issue="MATH-364" due-to="Christian
Winter">
Added erf(double,double) to Erf and used this to improve tail
probability
- accuracy in NormalDistributionImpl.
+ accuracy in NormalDistributionImpl.
</action>
<action dev="psteitz" type="fix" issue="MATH-654">
Enabled reseeding of the random generators used by
EmpiricalDistributionImpl
@@ -174,7 +177,7 @@ The <action> type attribute can be add,u
</action>
<action dev="mikl" type="fix" issue="MATH-585">
Implemented faster generation of random gamma distributed values with
- algorithm from Ahrens and Dieter (1972) for shape < 1 and
+ algorithm from Ahrens and Dieter (1972) for shape < 1 and
Marsaglia and Tsang (2001) otherwise.
</action>
<action dev="luc" type="fix" issue="MATH-605" due-to="Dennis Hendriks">
@@ -216,7 +219,7 @@ The <action> type attribute can be add,u
</action>
<action dev="mikl" type="fix" issue="MATH-597">
Implemented faster generation of random exponential distributed values
with
- algorithm from Ahrens and Dieter (1972): Computer methods for sampling
+ algorithm from Ahrens and Dieter (1972): Computer methods for sampling
from the exponential and normal distributions.
</action>
<action dev="luc" type="add" issue="MATH-548">
@@ -354,13 +357,13 @@ The <action> type attribute can be add,u
of clusters in Kmeans++ clustering
</action>
<action dev="mikl" type="add" issue="MATH-437">
- Added two sided Kolmogorov-Smirnov distribution using modified
- Marsaglia et al. (2003) implementation and quick decisions for certain
+ Added two sided Kolmogorov-Smirnov distribution using modified
+ Marsaglia et al. (2003) implementation and quick decisions for certain
parameter areas according to Simard et al. (2011).
</action>
<action dev="mikl" type="add" issue="MATH-435">
- Added "power" method in "RealMatrix" and "FieldMatrix<T>"
- interfaces and their default implementations in "AbstractRealMatrix"
+ Added "power" method in "RealMatrix" and "FieldMatrix<T>"
+ interfaces and their default implementations in "AbstractRealMatrix"
and "AbstractFieldMatrix".
</action>
<action dev="erans" type="update" issue="MATH-545">
@@ -571,11 +574,11 @@ This is primarily a maintenance release,
of them are in APIs likely to be accessed by user code:
the MessagesResources_fr class has been removed (replaced by a properties
file);
the arguments of the EventState.reinitializeBegin method have changed;
- some protected fields which already had public accessors in
AbstractStepInterpolator have been replaced.
-
+ some protected fields which already had public accessors in
AbstractStepInterpolator have been replaced.
+
There is a behavior change that users of the multiple regression classes
should be aware of. In version
2.1, there was no way to estimate models without intercept terms, and, while
this was not clear from
- the documentation, design (X) matrices needed to include initial unitary
columns. In 2.2, initial
+ the documentation, design (X) matrices needed to include initial unitary
columns. In 2.2, initial
unitary columns are not necessary and whether or not models include
intercept terms is configurable.
See the change log and javadoc for the classes in
org.apache.commons.math.stat.regression for details.
@@ -628,7 +631,7 @@ This is primarily a maintenance release,
</action>
<action dev="mikkel" type="update" issue="MATH-384">
Added a constructor and addValues(double[]) methods allowing
DescriptiveStatistics to
- be initialized with values from a double[] array. Similarly enhanced
+ be initialized with values from a double[] array. Similarly enhanced
ResizeableDoubleArray.
</action>
<action dev="psteitz" type="update" issue="MATH-448" due-to="Patrick
Meyer">
@@ -718,7 +721,7 @@ This is primarily a maintenance release,
class intended to be a drop-in replacement for java.util.Math at
source-level. Some functions
still directly delegates to Math but this will improve with time. Some
functions like exp
may be twice as fast (even 3 times faster on some processors). Sine,
cosine or power functions
- show typical speedups of 1.5 times faster or more.
+ show typical speedups of 1.5 times faster or more.
</action>
<action dev="psteitz" type="fix" issue="MATH-386">
Added R-squared and adjusted R-squared statistics to
OLSMultipleLinearRegression.
@@ -752,7 +755,7 @@ This is primarily a maintenance release,
Added a feature allowing error estimation to be computed only on a
subset of
Ordinary Differential Equations, considered as the main set, the
remaining equations
being considered only as an extension set that should not influence
the ODE integration
- algorithm
+ algorithm
</action>
<action dev="erans" type="fix" issue="MATH-382">
Fixed bug in precondition check (method "setMicrosphereElements").
@@ -772,10 +775,10 @@ This is primarily a maintenance release,
</action>
<action dev="luc" type="fix" issue="MATH-361">
Improved localization of error messages.
- </action>
+ </action>
<action dev="erans" type="fix" issue="MATH-376">
Allow multiple optimizations with a default simplex.
- </action>
+ </action>
<action dev="erans" type="update" issue="MATH-370">
Added new "equalsIncludingNaN" methods that have the same semantics as
the old "equals" methods.
These are deprecated, and their semantics will be modified (in the
next major release) such that
@@ -863,7 +866,7 @@ This is primarily a maintenance release,
</action>
<action dev="psteitz" type="fix" issue="MATH-282">
Resolved multiple problems leading to inaccuracy and/or failure to
compute Normal,
- ChiSquare and Poisson probabilities, Erf and Gamma functions. Made
Brent solver
+ ChiSquare and Poisson probabilities, Erf and Gamma functions. Made
Brent solver
absolute accuracy configurable for all continuous distributions.
</action>
<action dev="luc" type="fix" issue="MATH-347" >
@@ -905,7 +908,7 @@ This is primarily a maintenance release,
A EigenDecompositionImpl simplified makes it possible to compute
the SVD of a singular matrix (with the right number of elements in
the diagonal matrix) or a matrix with singular value(s) of multiplicity
- greater than 1.
+ greater than 1.
</action>
<action dev="psteitz" type="add" issue="MATH-323" due-to="Larry Diamond">
Added SemiVariance statistic.
@@ -1071,8 +1074,8 @@ This release is NOT source and binary co
of Commons Math. Starting with version 2.0 of the library, the minimal
version of the Java platform required to compile and use Commons Math
is Java 5. Users are encouraged to upgrade to this version, as in addition
-to new features, this release includes numerous bug fixes. Users of
-Commons Math 1.0-1.2 should recompile their code against the 2.0 jar.
+to new features, this release includes numerous bug fixes. Users of
+Commons Math 1.0-1.2 should recompile their code against the 2.0 jar.
Most of the compilation errors users will encounter after the switch
will be due to classes moved due to package reorganization. These errors
are simply solved by adjusting the import statements in users code.">
@@ -1235,13 +1238,13 @@ are simply solved by adjusting the impor
</action>
<action dev="luc" type="add" >
Added factory methods to create Chebyshev, Hermite, Laguerre and
Legendre polynomials.
- </action>
+ </action>
<action dev="luc" type="add" >
Added add, subtract, negate, multiply and toString methods to
PolynomialFunction.
- </action>
+ </action>
<action dev="psteitz" type="update" issue="MATH-189">
Changed FractionFormat to extend NumberFormat.
- </action>
+ </action>
<action dev="psteitz" type="update" issue="MATH-242" due-to="Christian
Semrau">
Forced symmetry in binomialCoefficientLog and added test cases for
MathUtils.
</action>
@@ -1308,10 +1311,10 @@ are simply solved by adjusting the impor
Added support for the Zipf distribution.
</action>
<action dev="psteitz" type="add" issue="MATH-212" due-to="Jason C.
HandUber">
- Added support for copying statistics. Changes to stats classes
+ Added support for copying statistics. Changes to stats classes
include copy constructor, static copy(-,-) and instance copy()
methods. Added copy() to UnivariateStatistic and
StorelessUnivariateStatistic
- interfaces.
+ interfaces.
</action>
<action dev="luc" type="add" issue="MATH-229" due-to="Cyril Briquet">
Added a removal feature for observations in descriptive statistics.
@@ -1543,7 +1546,7 @@ are simply solved by adjusting the impor
Added a nextAfter method in MathUtils to return the next
machine-representable number in a specified direction from a given
floating point number. Used this to ensure that MathUtils.round does
- not return incorrect results for numbers with bad IEEE754
+ not return incorrect results for numbers with bad IEEE754
representations.
</action>
<action dev="psteitz" type="add" issue="MATH-140" due-to="Xiaogang
Zhang">
@@ -1595,36 +1598,36 @@ are simply solved by adjusting the impor
<action dev="psteitz" type="fix" issue="MATH-175" due-to="Carl Anderson">
Added check and rescaling of expected counts to sum to sum of expected
counts if necessary in ChiSquare test.
- </action>
+ </action>
<action dev="luc" type="fix" issue="MATH-164">
Handle multiplication of Complex numbers with infinite parts specially.
- </action>
+ </action>
<action dev="luc" type="update" issue="MATH-176" due-to="Kazuhiro
Koshino">
Add errors guessing to least-squares estimators.
- </action>
+ </action>
<action dev="luc" type="update" issue="MATH-179" due-to="Niall
Pemberton">
Add tests for Fraction constructor using double parameter.
- </action>
+ </action>
<action dev="psteitz" type="add" issue="MATH-173" due-to="Bob MacCallum">
Added one-way ANOVA implementation.
- </action>
+ </action>
<action dev="luc" type="update" issue="MATH-181" due-to="Niall
Pemberton">
Add Fraction constructor using max denominator value.
- </action>
+ </action>
<action dev="luc" type="fix" issue="MATH-182">
Add integer overflow checks in Fraction constructor using double
parameter.
- </action>
+ </action>
<action dev="luc" type="fix" issue="MATH-185">
Throw EOFException when using empty files with ValueServer in replay
and
digest modes.
- </action>
+ </action>
<action dev="luc" type="update" >
Added a equals and hash methods in MathUtils to check for double arrays
- </action>
+ </action>
<action dev="luc" type="add" >
Added an angle normalization method in MathUtils to force angles in
some
user-defined interval
- </action>
+ </action>
<action dev="luc" type="add" >
Added vectorial covariance computation (either sample or population
covariance)
@@ -1647,9 +1650,9 @@ are simply solved by adjusting the impor
immutable in 2.0.
</action>
</release>
- <release version="1.1" date="2005-12-17"
+ <release version="1.1" date="2005-12-17"
description="This is a maintenance release containing bug fixes and
enhancements.
- All API changes are binary compatible with version 1.0. The
enhancements
+ All API changes are binary compatible with version 1.0. The enhancements
include some new probability distributions, a Fraction class, new matrix
and numerical utilities, and a PRNG pluggability framework making it
possible to replace the JDK-supplied random number generator in
@@ -1668,11 +1671,11 @@ are simply solved by adjusting the impor
</action>
<action dev="psteitz" type="fix" issue="MATH-49" due-to="Elliotte
Harold">
Made all serialVersionUIDs private.
- </action>
+ </action>
<action dev="psteitz" type="fix" issue="MATH-5">
Improved documentation and test cases related to handling of infinite
- and NaN values in Complex, ComplexUtils classes.
- </action>
+ and NaN values in Complex, ComplexUtils classes.
+ </action>
<action dev="psteitz" type="fix" issue="MATH-57" due-to="Mauro Talevi">
Fixed incorrect NaN handling in o.a.m.s.d.rank.Min, Max
</action>
@@ -1755,7 +1758,7 @@ are simply solved by adjusting the impor
implementation, AbstractRandomGenerator providing default
implementations of methods based on nextDouble(). Added a constructor
taking a RandomGenerator as an argument to RandomDataImpl. Changed
- ValueServer to use a RandomData in its constructor. Changes to
+ ValueServer to use a RandomData in its constructor. Changes to
1.0 classes should be backward compatible (including serialization).
</action>
<action dev="psteitz" type="update" due-to="C. Scott Ananian">
@@ -1789,9 +1792,9 @@ are simply solved by adjusting the impor
fraction class, FractionFormat and ProperFractionFormat classes were
added to provide fraction formatting and parsing.
</action>
- </release>
- <release version="1.0" date="2004-12-06"
+ </release>
+ <release version="1.0" date="2004-12-06"
description="Apache Commons Math 1.0 - Initial Release">
- </release>
+ </release>
</body>
</document>
