A variety of tricks would need to be used to invert a matrix of this size. If
there are any other properties of the matrix that you know (symmetric, positive
definite, etc, sparse) then they could be useful too. You could partition the
matrix first, then use an in-place inverse technique for
Hi list,
can I extract the cov.unscaled (the unscaled covariance matrix) from a
gls fit (package nlme), like with summary.lm? Background: In a fixed
effect meta analysis regression the standard errors of the coefficients
can be computed as sqrt(diag(cov.unscaled)) where cov.unscaled is
(X'WX). I
On Tue, 14 Aug 2007, Patnaik, Tirthankar wrote:
A variety of tricks would need to be used to invert a matrix of this
size. If there are any other properties of the matrix that you know
(symmetric, positive definite, etc, sparse) then they could be useful
too. You could partition the
Hi all,
I'm working on microarray and currently analyzing the microrarray data
using limmaGUI. Loop design has been applied in this experiment. This is a 2X2
factorial experiment where there are control and treatment at 2 different time
points, week 6 and 9. The experimental design is
Hi,
I am attempting to implement a mixed (windows/linux) snow sockets
parallelism in R, but am running into difficulties similar to a post made
Aug 31, 2006 under the same subject heading. I feel like I may be one or
two non-obvious steps away from getting it all working, but I'm stuck. If
Hi,
I have follwoing problem:
I will install R-2.5.1 on a Linux Maschine (64Bit) and I will use the R-GUI
JGR (Jaguar)
SO I make following steps:
./configure --with-gnu-ld --enable-R-shlib VAR=fPIC VAR=TCLTK_LIBS
make
I become following error messages:
.
Entering
Please could someone help me understand the difference between the following two
models?
lme (Y ~ X, random= ~1|G1/G2)
aov (Y ~ X + Error (G1/G2))
Since random effects can be considered as additional error terms, I would have
thought these two model formulations should amount to the same
Thank you,
I'm trying to run the joint probabilty:
C(N,k)*p^k*(1-p)^(N-k)*C(k,m)*q^m*(1-q)^(k-m)
and get the error: Error in C(N, k) : object not interpretable as a factor
so I tried the long way:
gamma(N+1)/(gamma(k+1)*(gamma(N-k)))
and the same with k, and got the error:
1: value out of
Andreas Hey wrote:
Hi,
I have follwoing problem:
I will install R-2.5.1 on a Linux Maschine (64Bit)
Which? (CPU and OS, please. There are about four likely possibilities,
half a dozen less likely ones...)
and I will use the R-GUI
JGR (Jaguar)
SO I make following steps:
Dear all,
I have some problems with importing data from an Access data base via
RODBC to R. The data base contains several tables, which all are
imported consecutively. One table has a column with column name NO. If
I run the code attached on the bottom of the mail I get no complain, but
the
This is what the vcov() generic is for. You are asking for internal
details from a different class (summary.lm).
On Tue, 14 Aug 2007, Sven Garbade wrote:
Hi list,
can I extract the cov.unscaled (the unscaled covariance matrix) from a
gls fit (package nlme), like with summary.lm?
On Wed, 01 Aug 2007 10:52:02 +0200, Bjoern wrote:
Hello,
I have two questions concerning the RWeka package:
1.) First question:
How can one perform a cross validation, -say 10fold- for a given
data set and given model ?
2.) Second question
Rajarshi Guha wrote:
Hi, I have some data which I was plotting using image(). I wanted to
add a vertical color key to the plot and I found that heatmap.2 in
gplots does let me add a color key. However, I was thinking of a
vertical bar with the color range rather than the style that
Hi dear R users,
Is it basically correct that a problem is ( linearly on nonlinearly ) modeled
so that the slack variable is bounded by an upper bound ?
If so, how it can be handled and coded practically ?
for example:
x1+ x2 = b so x1 + x2 + s=b
hi Amir
please see inline answers
Amir Safari [EMAIL PROTECTED]
Sent by: [EMAIL PROTECTED]
08/14/2007 02:37 PM
To
R-help@stat.math.ethz.ch
cc
Subject
[R] Slack variable in OR
Hi dear R users,
@@@ although i have not understood your problemos clearly whatever i can
help, i
On Tue, 14 Aug 2007, Maciej Hoffman-Wecker wrote:
Dear all,
I have some problems with importing data from an Access data base via
RODBC to R. The data base contains several tables, which all are
imported consecutively. One table has a column with column name NO. If
I run the code attached
Hi.
You will find some useful information in the
http://r-spatial.sourceforge.net/
Particularly, Fig. 07 in the Graph gallery.
Package spmaps can be used to extract desired boundaries from the mapdata
and convert them to the format suitable for sp and others.
Lawrence D. Brenninkmeyer
I cant't seem to get npmc to make a comparison to a control level
summary(npmc(brain), type=BF, control=1)
$`Data-structure`
group.index class.level nobs
c 1 c 30
l 2 l 30
r 3 r 30
$`Results of the multiple Behrens-Fisher-Test`
Hi,
I would like to (if possible) set the default width and height for graphs
at the start of each session and have each new graphic device overwrite
the previous one.
I only know how to do this using windows(width=,height=...) which opens up
a new plotting device every time, so I end up with
Hi
Thank you very much.
So sorry for the badly writing an example.
Let assume we are modelling in a quadratic programming framework. So we have
min 1/2xHx + fx subject to: Ax=b
Here A is a matrix. Therefore the questions are valid here.
[EMAIL PROTECTED]
Thanks for your reply, but I still couldn't solve the problem.
I am using the package statmod, and I need the AIC because I want to use the
step function (I am modelling many species, so I would prefer to do the
step automatically).
I can't find the tweedie package in the R packages list and I
Good Morning
i am in doctorate.
i want to ask for the packages of R,
i tried to install it, but it appears not found. each time i have to
delete and install again the programme R.
Are there another method for installing the package?
thank you
__
please give details of the system, OS, etc which version of R you are
using, how you are installing the packages
etc etc
---
Regards,
Gaurav Yadav (mobile: +919821286118)
Assistant Manager, CCIL, Mumbai (India)
mailto:[EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]
Profile:
Hi Nicolas
Most likely because the higher embedding dimension uses less data
points, even when applied to the lower dimension. Therefore, the actual
numbers should be similar, but do not exactly match. But it's a very
long time ago I last touched this code. So pls read bdstest.c from
tseries
Safaa Najla wrote:
Good Morning
i am in doctorate.
i want to ask for the packages of R,
i tried to install it,
What? R or packages?
How did you try it, please give us more details as suggested in the
posting guide!
but it appears not found.
Complete error message, please.
each time
Hi there, am trying to run a linear regression with a slope of 0.
I have a dataset as follows
t d
1 303
2 302
3 304
4 306
5 307
6 303
I would like to test the significance that these points would lie on a
horizontal straight line.
The standard regression lm(d~t) doesn't seem to
Package akima allows simple 2D interpolation from points to a grid.
On 8/14/07, Lawrence D. Brenninkmeyer [EMAIL PROTECTED] wrote:
Hi-
I am trying to find a way to diffuse GIS data on a European map. I have a
dataset consisting of particular locations scattered across Europe,
along with
Try using the option homogenoeus=FALSE and make sure the appropriate
environment variables are set on the worker nodes.
Best,
luke
On Tue, 14 Aug 2007, Michael Janis wrote:
Hi,
I am attempting to implement a mixed (windows/linux) snow sockets
parallelism in R, but am running into
On Tue, 14 Aug 2007, Simon Pickett wrote:
Hi,
I would like to (if possible) set the default width and height for graphs
at the start of each session and have each new graphic device overwrite
the previous one.
Hmm. It is graphics devices that have dimensions, and plots that
overwrite
On Tue, 14 Aug 2007, [EMAIL PROTECTED] wrote:
Hi there, am trying to run a linear regression with a slope of 0.
I have a dataset as follows
t d
1 303
2 302
3 304
4 306
5 307
6 303
I would like to test the significance that these points would lie on a
horizontal straight line.
The
Dear Professor Ripley,
Thank you very much for your response. I send the problem, as I didn't have any
more ideas were to search for the reason. I didn't say this is a R bug, knowing
the responses on such mails.-)
But I succeeded in developing a tiny example, that reproduces the bug (wherever
Hi
Not being a trained statistician regression with slope = 0 seems odd to
me.
If you do
fit-lm(d~t)
summary(fit)
Call:
lm(formula = d ~ t)
Residuals:
123456
0.04762 -1.43810 0.07619 1.59048 2.10476 -2.38095
Coefficients:
Yes,
Thankyou, that does the trick nicely. I thought that kind of thing could
be specified using par() but I guess not.
Thanks again.
On Tue, 14 Aug 2007, Simon Pickett wrote:
Hi,
I would like to (if possible) set the default width and height for
graphs
at the start of each session and
On Aug 14, 2007, at 5:11 AM, Jim Lemon wrote:
Rajarshi Guha wrote:
Hi, I have some data which I was plotting using image(). I wanted
to add a vertical color key to the plot and I found that heatmap.
2 in gplots does let me add a color key. However, I was thinking
of a vertical bar
On 14-Aug-07 11:36:37, [EMAIL PROTECTED] wrote:
Hi there, am trying to run a linear regression with a slope of 0.
I have a dataset as follows
t d
1 303
2 302
3 304
4 306
5 307
6 303
I would like to test the significance that these points would lie on a
horizontal
On Tue, 14 Aug 2007, Simon Pickett wrote:
Yes,
Thankyou, that does the trick nicely. I thought that kind of thing could
be specified using par() but I guess not.
As I said, size is not a property of the plot.
And par() applies to the current device, not future ones.
Thanks again.
On
Hello,
we are doing some computations with MPI and Rmpi. Therefore papply is a
very comfortable function.
Is it possible to reuse calculated data on slaves?
We do some calculation with papply,
then we have to do some overall calculation at the master
then we want to do some calculation on the
Hello,
I would like to do a large number of e.g. 1000 paired ttest using the
by-function. But instead of using only the data within the 1000 groups, R
caclulates 1000 times the ttest for the full data set(The same happens with
Wilcoxon test). However, the by-function works fine with the lme
Hi
[EMAIL PROTECTED] napsal dne 14.08.2007 15:11:11:
Hello,
I would like to do a large number of e.g. 1000 paired ttest using the
by-
function. But instead of using only the data within the 1000 groups, R
caclulates 1000 times the ttest for the full data set(The same happens
with
Hi Jim,
Two thoughts come to me, unencumbered by the thought process or
knowledge of zicounts:
1. Is Poisson really NOT appropriate? (do you have to use zicounts?)
2. Are you 110% certain that all variables are the same length? Would
NA's interfere?
Cheers,
Hank
On Aug 13, 2007, at 5:10 PM,
hello list,
Can someone help me figure out why the following code doesn't work?
I'm trying to but both Greek letters and subscripts into a tcltk menu.
The code creates all the mu's, and the 1 and 2 subscripts, but it
won't create the 0. Is there a certain set of characters that R won't
Daniel Stahl wrote:
Hello,
I would like to do a large number of e.g. 1000 paired ttest using the
by-function. But instead of using only the data within the 1000 groups, R
caclulates 1000 times the ttest for the full data set(The same happens with
Wilcoxon test). However, the by-function
Hi All,
I am busy using R to do some regression modelling and have been using
plot(x,y,) to visualise my variables. I would now like to label my points
using data stored in the data.frame used for the regression analysis. For
example each of my data points is made up of a field measured forest
Tir,
Thank you very much for the note. I'm using an algorithm to analyze a data set
of 400 variables and the algorithm uses the inverse of a 16x16 positive
definite matrix. The matrix is stored as a text file.
Can you please give some reference to in-place inverse technique? I
Hi,
I use panel.points to add points to a xyplot graphic. But I like to use the
sunflowerplot to plot my points because this is very superimposed. It is
possible to use this? I try but it dont work directly. It may be need to put
this function inside a panel.???
Thanks
Ronaldo
--
Where
Here is one of the codes.
Thanks a lot...
module(finmetrics)
genvasicek.ssf = function(param, tau=NULL, freq=1/12){
## 1. Check for valid inputs
if(length(param) 5)
stop(Parameters must have length greater than 4)
N = length(param) - 13
if (length(tau) != N)
In help(unit) I read:
The 'data' argument must be a list when the 'unit.length()'
is greater than 1. For example, 'unit(rep(1, 3), c(npc,
strwidth, inches), data=list(NULL, my string, NULL))'.
In the newest R-versions it is not anymore allowed to let strings
in the data-argument
Ronaldo Reis Junior said the following on 8/14/2007 7:08 AM:
Hi,
I use panel.points to add points to a xyplot graphic. But I like to use the
sunflowerplot to plot my points because this is very superimposed. It is
possible to use this? I try but it dont work directly. It may be need to
I have 4 very large species lists and I would like to compare them.
I have the following results from running Sorensons dissimilarity tests:
Norfolk Fens compared to Suffolk Coastal Fens:
QS=0.583961142689298
Norfolk Fens compared to Breckland Edge Fens:
Dear Ed,
In my opinion you don't need to set the slope to zero. Just test if the
slope in lm(d ~ t) is significant. If it is significant then you have
evidence that the slope is NOT zero. But when it is not significant (and
in your example it is), you can't say that it is zero. But doing some
R Help wrote:
hello list,
Can someone help me figure out why the following code doesn't work?
I'm trying to but both Greek letters and subscripts into a tcltk menu.
The code creates all the mu's, and the 1 and 2 subscripts, but it
won't create the 0. Is there a certain set of characters
On Tue, 14 Aug 2007, Wolfram Fischer wrote:
In help(unit) I read:
The 'data' argument must be a list when the 'unit.length()'
is greater than 1. For example, 'unit(rep(1, 3), c(npc,
strwidth, inches), data=list(NULL, my string, NULL))'.
In the newest R-versions it is not
Hi Lawrence,
You could use the gstat (geostatistics) package to perform an
interpolation, it also requires the package sp. It offers inverse
distance interpolation and several forms of kriging. Making an
interpolation would look something like:
library(gstat) # Also loads sp
On 8/14/07, Jiao Yang [EMAIL PROTECTED] wrote:
Tir,
Thank you very much for the note. I'm using an algorithm to analyze a data
set of 400 variables and the algorithm uses the inverse of a 16x16
positive definite matrix. The matrix is stored as a text file.
A meta-theorem in
Daniel Stahl daniel_stahl at operamail.com writes:
I would like to do a large number of e.g. 1000 paired ttest using the
by-function.
Technical stuff aside: do you really want to do 1000 paired t-tests?
Followed by a *** pick-nic?
Mmm...
Dieter
Ronaldo Reis Junior chrysopa at gmail.com writes:
Hi,
I use panel.points to add points to a xyplot graphic. But I like to use the
sunflowerplot to plot my points because this is very superimposed. It is
possible to use this? I try but it dont work directly. It may be need to put
this
Hi all,
I'm working on microarray and currently analyzing the microrarray data
using limmaGUI. Loop design has been applied in this experiment. This is a 2X2
factorial experiment where there are control and treatment at 2 different time
points, week 6 and 9. The experimental design is
Hello,
I would like to know, whether for the support vector classification function
ksvm()
the response values stored in [EMAIL PROTECTED] are cross validated
outputs/predictions:
Example code from package kernlab, function ksvm:
library(kernlab)
## train a support vector machine
filter -
I think at least part of your problem is that in the lm example you use
data=x (correct), but in the t.test example you use data=warpbreaks, so
in that case it is uing the full data set, not just the portion passed
by the 'by' function. Try the t.test example again with data=x and see
what
Dear R users,
I've notice that there are two ways to conduct a binomial GLM with binomial
counts using R. The first way is outlined by Michael Crawley in his
Statistical Computing book (p 520-521):
dose=c(1,3,10,30,100)
dead = c(2,10,40,96,98)
batch=c(100,90,98,100,100)
response =
Hi Wesley,
Try the text() function. An example:
a = rep(10,10)
b = seq(1,10)
plot(a,b)
text(a,b, labels = b, pos = 4, offset = 0.7)
?text
hth,
Paul
Wesley Roberts schreef:
Hi All,
I am busy using R to do some regression modelling and have been using
plot(x,y,) to visualise my variables.
Maciej Hoffman-Wecker Maciej.Hoffman-Wecker at bioskin.de writes:
...
But I succeeded in developing a tiny example, that reproduces the bug
(wherever it is).
I generated a small Access data base test2.mdb with one table Tab1 and
following columns:
.
library(RODBC)
.con -
Dear list,
I’m using the ‘mgcv’ package to fit some GAMs. Some of my covariates are
derived quantities and have an associated standard error, so I would
like to incorporate this uncertainty into the GAM estimation process.
Ideally, during the estimation process less importance would be given
On Tue, 14 Aug 2007, Chris O'Brien wrote:
Dear R users,
I've notice that there are two ways to conduct a binomial GLM with binomial
counts using R. The first way is outlined by Michael Crawley in his
Statistical Computing book (p 520-521):
and in the places he got it from (it is not his
On Tue, 14 Aug 2007, Maciej Hoffman-Wecker wrote:
Dear Professor Ripley,
Thank you very much for your response. I send the problem, as I didn't
have any more ideas were to search for the reason. I didn't say this is
a R bug, knowing the responses on such mails.-)
But I succeeded in
Let's simplify to a linear model. If your covariates have uncertainties,
most likely a linear regression is not appropriate. This sounds like an
'errors in measurements' model, as covered in
@Book{Fuller.87,
author = Fuller, Wayne A.,
title= Measurement Error Models,
Hi Wesley,
You can use the text() function to add text to an existing plot. See
?text.
Julian
Wesley Roberts wrote:
Hi All,
I am busy using R to do some regression modelling and have been using
plot(x,y,) to visualise my variables. I would now like to label my points
using data
Dear R users,
Prof. Ripley just corrected my understanding of the use of weights in glm,
which I thought would allow me to correctly use lmer. However I'm still
having problems.
My data takes the form of # of infected and uninfected individuals that
were measured over time under different
(not sure whether this is better for R-devel or R-help ...)
I am currently trying to debug someone else's package (they're
not available at the moment, and I would like it to work *now*),
which among other things allocates memory for a persistent
buffer that gets used by various functions.
The
Hi,
I've been using R for a number of years, and must say I really like it. This
past summer, however, I started using MatLab for a course at school and
found the file exchange it has (
http://www.mathworks.com/matlabcentral/fileexchange/loadCategory.do) to be
extremely useful.
I know that R has
Try
weights = as.numeric(total)
BTW, there is a SIG (Special Interest Group) for lmer.
https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models
HTH,
--sundar
Chris O'Brien said the following on 8/14/2007 11:00 AM:
Dear R users,
Prof. Ripley just corrected my understanding of the use of
Ben Bolker wrote:
(not sure whether this is better for R-devel or R-help ...)
Hardcore debugging is usually better off in R-devel. I'm leaving it in
R-help though.
I am currently trying to debug someone else's package (they're
not available at the moment, and I would like it to work
The fda package supports Functional Data Analysis and Applied
Functional Data Analysis by Bernard Silverman and James Ramsay.
Functional data analysis, which lots of us like to call FDA, is
about the analysis of information on curves or functions. FDA is a
collection statistical techniques for
Dear all, in R, how can I run a Factorial designs with a separate control?
Best regards.
#A = 0 and B = 0 == then control
ABrepresponse
0 0 1 24
0 0 2 27
0 0 3 36
0
Hi all,
If we, the R community, are endeavoring to make R user friendly
(gasp!), I think that one of the first places to start would be in
setting stringsAsFactors = FALSE. Several times I've run into
instances of folks decrying R's rediculous usage of memory in
reading data, only to come to find
On Tue, Aug 14, 2007 at 02:34:45PM -0400, Wojciech Gryc wrote:
Hi,
I've been using R for a number of years, and must say I really like it. This
past summer, however, I started using MatLab for a course at school and
found the file exchange it has (
Matt:
I believe you have confused issues.
Setting stringsAsFactors = FALSE would dramatically **increase** the amount
of memory used for storing character vectors, which is what factors are for.
So your proposed solution does exactly the opposite of what you want.
The issue you are worried
If your looking at state space models for forecasting, the Hyndman's
forecasting has quite a bit.
On 8/14/07, Bernardo Ribeiro [EMAIL PROTECTED] wrote:
Here is one of the codes.
Thanks a lot...
module(finmetrics)
genvasicek.ssf = function(param, tau=NULL, freq=1/12){
## 1.
Hi,
Could someone please tell me how to perform a Mann-Whitney U test on a
dataset with 2 groups where one group has more data values than another?
I have split up my 2 groups into 2 columns in my .txt file i'm using with
R. Here is the code i have so far...
group1 - c(LeafArea2)
group2 -
I think that you grossly underestimate the frequency of use of factors
in R, not to mention that factors are stored more efficiently than
character vectors.
All modeling functions depend upon them. Most testing, grouping and
plotting functions (base R and Lattice) either use them directly as
On Tue, 2007-08-14 at 14:45 -0600, Natalie O'Toole wrote:
Hi,
Could someone please tell me how to perform a Mann-Whitney U test on a
dataset with 2 groups where one group has more data values than another?
I have split up my 2 groups into 2 columns in my .txt file i'm using with
R. Here
Dear Catarina,
As I've already indicated, I have no plans to include AIC for tweedie
families, because the AIC computation is much more computationally
intensive and less reliable than the actually fitting of the glm.
That fact that dtweedie() is not currently available for Windows is a
On Tue, 14 Aug 2007, Natalie O'Toole wrote:
Hi,
Could someone please tell me how to perform a Mann-Whitney U test on a
dataset with 2 groups where one group has more data values than another?
I have split up my 2 groups into 2 columns in my .txt file i'm using with
R. Here is the code i
Hi all,
I am hardly an expert, so I expect that this code is not the easiest/
most efficient way of getting where I want. Any suggestions in that
direction would also be helpful.
I am working on panel analysis with five imputed datasets, generated
by Amelia. To do
Hi there,
I have some bird flight height data that follows a gamma distribution. The
data (x) goes from 0 to 700 meters (n=1055). The calculated parameters
calculated from the fitdistr(x) are (shape = 5.1379, rate = 0.017541), and
therefore the scale (1/rate) = 57.00929. I would like to
Hi there,
I have some bird flight height data that follows a gamma distribution. The
data (x) goes from 0 to 700 meters (n=1055). The calculated parameters
calculated from the fitdistr(x) are (shape = 5.1379, rate = 0.017541), and
therefore the scale (1/rate) = 57.00929. I would like to
pgamma(q=50,shape=5.1379,rate=0.017541)
Francisco
Jake Verschuyl wrote:
Hi there,
I have some bird flight height data that follows a gamma distribution. The
data (x) goes from 0 to 700 meters (n=1055). The calculated parameters
calculated from the fitdistr(x) are (shape =
Dear all, I would like to run in R the anova showed in the following
pamphlet.
http://www.for.gov.bc.ca/hre/biopamph/pamp14.pdf
For A = 0 and B =0 I have de control group.
Best regards.
AB replication response
0 0 1 24
0 0
On 15/08/2007, at 9:53 AM, Jake Verschuyl wrote:
I have some bird flight height data that follows a gamma
distribution. The
data (x) goes from 0 to 700 meters (n=1055). The calculated
parameters
calculated from the fitdistr(x) are (shape = 5.1379, rate =
0.017541), and
therefore
Hello, is there an up-to-date reference for how many people use R? I'm
giving an R demo and want to cite wonderful R usage stats. How many
people use it (or download it)? How often is R used in peer-reviewed
pubs, etc. Is there any whiz-bang citation that says something like R
is great and
Hi
Jake Verschuyl wrote:
Hi there,
I have some bird flight height data that follows a gamma distribution. The
data (x) goes from 0 to 700 meters (n=1055). The calculated parameters
calculated from the fitdistr(x) are (shape = 5.1379, rate = 0.017541), and
therefore the scale
Prof Brian Ripley wrote:
On Tue, 14 Aug 2007, Natalie O'Toole wrote:
Hi,
Could someone please tell me how to perform a Mann-Whitney U test on a
dataset with 2 groups where one group has more data values than another?
I have split up my 2 groups into 2 columns in my .txt file i'm using
# here's your example correlation matrix:
sigma- matrix(c(1.00, 0.75, 0,
0.75, 1.00, 0,
0.00, 0.00, 0), nr=3, byrow=TRUE)
chol(sigma)
# Error in chol(sigma) : the leading minor of order 3 is not positive definite
# DUH!
# let's chop off that dangling row and
Hi
I'm working in a ubuntu feisty OS, when I try to start X11() i get the
following message
X11()
Error in X11() : could not find any X11 fonts
Check that the Font Path is correct.
In addition: Warning messages:
1: locale not supported by Xlib: some X ops will operate in C locale
2: X cannot
Rajarshi Guha [EMAIL PROTECTED] writes:
Hi, I have some data which I was plotting using image(). I wanted to
add a vertical color key to the plot and I found that heatmap.2 in
gplots does let me add a color key. However, I was thinking of a
vertical bar with the color range rather than the
On Wed, 2007-08-15 at 04:03 +0200, Pau Marc Munoz Torres wrote:
Hi
I'm working in a ubuntu feisty OS, when I try to start X11() i get the
following message
X11()
Error in X11() : could not find any X11 fonts
Check that the Font Path is correct.
In addition: Warning messages:
1:
Hi Pau,
The error message indicates that the Font Path is perhaps wrong.
I think you should set the font path. I do not use Linux. I never
encounter this problem in Windows XP.
About the warning messages, you can try ?locales to get some
information. These warnings do not prevent the function
Natalie,
It's best to provide at least a sample of your data. Your field names suggest
that your data might be collected in units of mm^2 or some similar
measurement of area. Why do you want to use Mann-Whitney, which will rank
your data and then use those ranks rather than your actual data?
A quick search of google scholar found 2556 cites to the classic paper
by Ihaka et al.
http://scholar.google.com/scholar?hl=enlr=cites=15992947024900415641
On 8/15/07, Andy Bunn [EMAIL PROTECTED] wrote:
Hello, is there an up-to-date reference for how many people use R? I'm
giving an R demo
Dear All,
Have just installed v2.5.1 on Windows XP. Works fine but I had quite a few
pakages loaded for 2.5.0 (from contributed) and was wondering how I can
get 2.5.1 to recognise them without having to reinstall them all.
Is this possible or do I have to reinstall all the packages again?
I
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