One other point. If you find you need to set a system or user environment
variable then microsoft has a free tool called setx.exe that you can find here:
http://support.microsoft.com/kb/927229
You can do this from within R using system().
On 5/30/07, Gabor Grothendieck [EMAIL PROTECTED] wrote:
New packages psyphy and MLDS are available on CRAN:
psyphy ncludes an assortment of functions
useful in analyzing data from pyschophysical experiments. It
includes functions for calculating d' from several
different experimental designs, links for mafc to be
used with the binomial
Dear List:
I have uploaded version 1.0-4 of DPpackage on CRAN. Since the first
version (1.0-0), I have not communicated the improvements of the
package. I'll use this email to summarize its current status.
The name of the package is motivated by the Dirichlet process.
However, DPpackage
hello,
I wanna know if it's possible to write functions without argument
in order to understand that I write down an example
f - function(){
for (i in 1:length(C[[1]]) {
print(10*C[[1]][i])
}
}
I know that there are errors in this syntax
there are R function with zero args : plot.new,frame, colors. In your case make
sure that you list C is present in environments that you use.
Justin BEM
Elève Ingénieur Statisticien Economiste
BP 294 Yaoundé.
Tél (00237)9597295.
- Message d'origine
De : elyakhlifi mustapha [EMAIL
Hi all.
I think it would be nice to be able to combine levels of a factor on
creation a la
x - rep(0:5,5)
y - factor(x,levels=0:5,labels=c('1','1',2:5)) ## (1)
y
[1] 1 1 2 3 4 5 1 1 2 3 4 5 1 1 2 3 4 5 1 1 2 3 4 5 1 1 2 3 4 5
Levels: 1 1 2 3 4 5
I thougt this would (should?) create a
You can see
Lexical Scope and Statistical Computing, Robert Gentleman; Ross Ihaka
Justin BEM
Elève Ingénieur Statisticien Economiste
BP 294 Yaoundé.
Tél (00237)9597295.
- Message d'origine
De : elyakhlifi mustapha [EMAIL PROTECTED]
À : R-help@stat.math.ethz.ch
Envoyé le : Mercredi, 30
We're pleased to announce a one day course covering static and dynamic
graphics using R, ggplot and GGobi. The course will be held just
before the JSM, on Saturday, 28 July 2007, in Salt Lake City. The
course will be presented by Dianne Cook and Hadley Wickham.
In the course you will learn:
*
Hi R-programmers,
I can't find find the White test to check the homoscedasticity of the
residuals from a linear model. Could you please help me with this?
Thank you !
BC
[[alternative HTML version deleted]]
__
R-help@stat.math.ethz.ch
Prof Brian Ripley wrote:
You could do this via a search_file() connection wrapper, but there is a
problem with ensuring connections get closed (which on.exit does here).
I'm not sure exactly what you mean by a 'search_file() connection
wrapper', but I have realised that its probably a
Dear list!
I have run into a problem that seems very simple but I can't find any
solution to it (have searched the internet, help-files and An introduction
to R etc without any luck). The problem is the following: I would like to
create a data.frame with two components (columns), the first
Hi
Here is my sessionInfo():
Version 2.3.1 (2006-06-01)
i686-redhat-linux-gnu
attached base packages:
[1] methods stats graphics grDevices utils
datasets
[7] base
I have a function that is trying to draw rectangles using 136 different
colours, and I get the following error:
Sure it is possible, but it is a very bad and possibly dangerous idea,
since you may not control what's passed to your function. Consider this
example:
x - 1:5
x
[1] 1 2 3 4 5
foo - function(){mean(x)}
foo()
[1] 3
rm('x')
foo()
Error in mean(x) : object x not found
It is much much
Have you thought of using a list?
a - matrix(1:10, nrow=2)
b - 1:5
x - list(a=a, b=b)
x
$a
[,1] [,2] [,3] [,4] [,5]
[1,]13579
[2,]2468 10
$b
[1] 1 2 3 4 5
x$a
[,1] [,2] [,3] [,4] [,5]
[1,]13579
[2,]2468
You need to use I() or something similar. E.g.
A - matrix(1:6, 2,3)
data.frame(x=1:2, I(A))
X - data.frame(x=1:2)
X$A - A
both insert A as a single column.
On Wed, 30 May 2007, Lina Hultin-Rosenberg wrote:
Dear list!
I have run into a problem that seems very simple but I can't find any
On Monday 21 May 2007 16:17, Thomas Reed wrote:
I want to compare the fit of a quadratic model to continuous data, with
that of a cubic spline fit. Is there a way of computing AIC from for e.g. a
GAM with a smoothing spine, and comparing this to AIC from a quadratic
model?
library(mgcv)
Thank you so much for your help, it worked of course!
Best regards,
Lina Hultin-Rosenberg
-Ursprungligt meddelande-
Från: Prof Brian Ripley [mailto:[EMAIL PROTECTED]
Skickat: den 30 maj 2007 12:44
Till: Lina Hultin-Rosenberg
Kopia: r-help@stat.math.ethz.ch
Ämne: Re: [R] matrix in
I meant essentially the same thing but returning file(fixed_up_name).
You can vectorize this BTW:
search_file - function(name, path=getOption(scanpath))
{
fp - c(name, file.path(path, name)) # better to use direct name first
fp - fp[file.exists(fp)]
if(length(fp)) file(fp[1]) else
Dear Frank Harrell,
many thanks for your answers!!!
I have downloaded your Harrell_notes.pdf and I think it would be best to have a
look in some books you mentioned in the bibliographie. Can you recommend one
especially?
TO ANYBODY:
Has anybody examples for similar data sets (as below) with R
hello all
i would like to perform multiple imputation using the norm library.
but i seem to get the following error when i use the da.norm function.
Error in as.double.default(list(V1 = c(0.058177827, 0.123076923, 0.138713745,
:
(list) object cannot be coerced to 'double'
can
Hi!
I am calculating correlation between two variables:
1. X versus Y
2. X versus Y(with a 3 steps lag)
I would like to test if the correlation
increase/decrease from 1 to 2 is significant or not.
Is there any function in R to do this? any hints?
Thanks for help :)
David Riaño
Center for
On Wed, 30 May 2007, Benoit Chemineau wrote:
Hi R-programmers,
I can't find find the White test to check the homoscedasticity of the
residuals from a linear model. Could you please help me with this?
The package lmtest includes the function bptest() for performing
Breusch-Pagan tests.
Hello,
I'm currently trying to find a method to interpolate or smooth data that
represent a trajectory in space.
For example, I have an ordered (=time) set of (x,y) tuples which
constitute a path in a 2D space.
Is there a way using R to interpolate between these points in a way
similar to
You might have a look at the fda package of Ramsay on CRAN.
url:www.econ.uiuc.edu/~rogerRoger Koenker
email[EMAIL PROTECTED]Department of Economics
vox: 217-333-4558University of Illinois
fax: 217-244-6678Champaign, IL
Dear all,
I recently started having some problemd with the coda package. I have also
deleted it and then installed the package again.
The problem is that I cant access the codamenu. That is ;
I posted a revised Rcmdr.HH_1.8-0 package on CRAN.
The Rcmdr.HH package adds additional menu items to the Rcmdr package by
John Fox. Our introductory course at Temple University includes several
topics that were not addressed in the Rcmdr. This revision uses the new
RcmdrPlugin technology that
When it says 'matrix' it means it, not 'data frame'.
On Wed, 30 May 2007, Allan Clark wrote:
hello all
i would like to perform multiple imputation using the norm library.
but i seem to get the following error when i use the da.norm function.
Error in as.double.default(list(V1 =
?KalmanLike
Clint BowmanINTERNET: [EMAIL PROTECTED]
Air Dispersion Modeler INTERNET: [EMAIL PROTECTED]
Air Quality Program VOICE: (360) 407-6815
Department of Ecology FAX:(360) 407-7534
USPS: PO
Hello,
I would like to get the scales of y-axes dependent only on the data points in a
particular panel. Have attached a test example below.
When using 'relation=free', it does not make the scales 'free', however when
using 'relation=sliced', I get a warning Explicitly specified limits ignored
Duncan == Duncan Murdoch [EMAIL PROTECTED]
on Sat, 26 May 2007 08:02:11 -0400 writes:
Duncan On 26/05/2007 7:13 AM, Heinz Tuechler wrote:
Dear All,
To check if an url exists, I can use try(). This works, as I expected,
if I
do it directly, as in the first part of
There is also a free program setenv.exe which is more powerful than setx.exe.
You mentioned that deleting http_proxy from your environment through the OS
would fix your problem. setenv.exe can both set and delete environment
variables and you can specify user, system, etc. See description and
Thanks... I'll check the documentation to see which file on Windows I
need to alter to issue one of those commands.
matt
-Original Message-
From: Prof Brian Ripley [mailto:[EMAIL PROTECTED]
Sent: Wednesday, May 30, 2007 12:39 AM
To: Gabor Grothendieck
Cc: Pettis, Matthew (Thomson);
Nitin Jain said the following on 5/30/2007 8:12 AM:
Hello,
I would like to get the scales of y-axes dependent only on the data points in
a particular panel. Have attached a test example below.
When using 'relation=free', it does not make the scales 'free', however
when using
Thanks... I'll give it a whirl...
matt
-Original Message-
From: Gabor Grothendieck [mailto:[EMAIL PROTECTED]
Sent: Wednesday, May 30, 2007 10:22 AM
To: Pettis, Matthew (Thomson)
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] http proxies: setting and unsetting
There is also a free
On 2007-05-27, Sundar Dorai-Raj [EMAIL PROTECTED] wrote:
I would also suggest Paul Murrell's book R Graphics.
http://www.amazon.com/Graphics-Computer-Science-Data-Analysis/dp/158488486X/
--sundar
Thanks all! I have the relevant chapters from the Murrell book now
(which were available as
Hi,
I have a function for doing permutation tests for Manovas, written
with the help of folks here on the list. It seems to work ok, and I've
found that there is indeed a significant difference among groups in my
analysis. I want to follow up on this by testing for which pairs of
groups are
You could consider doing this directly with lattice. See:
demo(intervals)
On 5/30/07, Nitin Jain [EMAIL PROTECTED] wrote:
Hello,
I would like to get the scales of y-axes dependent only on the data points in
a particular panel. Have attached a test example below.
When using
Please report bugs in packages to the package maintainer (CCing)
including version information and platform such as for me in this case:
Same for me, R-2.5.0, Windows XP, coda 0.11-1.
Uwe Ligges
Luwis Diya wrote:
Dear all,
I recently started having some problemd with the coda package. I
Just a guess (please correct if I'm way off on this), but maybe you
could look at the difference in r betwen 1 2 and see if the
confidence interval (http://davidmlane.com/hyperstat/B8544.html) for
this value given your sample size includes 0.
On 30-May-07, at 11:24 AM, David Riano wrote:
Thanks Sundar and Gabor for your prompt help.
Sundar - Even after changing the line to scales = list(y = list(relation =
free)), I do not get the free scales in my test code (below), and relation
=sliced still gives warning.
Gabor - I'll try using code as demo(intervals) suggests.
Best,
Nitin
In response to the original message, see
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/85753.html
which describes two papers about comparing dependent correlations,
which I think is a relevant question. (Try Google too. I didn't.)
There is also a paper by Steiger in Psychological Bulletin,
Hi all,
I'd like to plot an empirical LLCD (log-log-CCDF, where CCDF == 1-CDF).
It seems ecdf() and plot(ecdf()) can't do it. I'd like to reuse some
graphics features of ECDF plot.
The fastest way I've found is to copypaste the ecdf code and writing
this function:
--- [R-code] ---
eccdf -
Dear All:
The question: How do I check for existance of the GUI, instead of
checking the variable of the GUI?
I created a log window for several applications, they will check for the
existance of log window, if it exists, append output to it, otherwise,
create log window and insert to it.
Hello,
I've been trying every now and then to find a cross operating system
solution that would let me access PostgreSQL (and PostGIS) from R, or to
access R from PostgreSQL. I know of pl/r, which accomplishes the
latter, but has yet to be successfully ported to Windows. Similarly,
I've tried
Hello everyone!
I want to calculate an instrumental variable estimator using the
riv-package:
riv(Y,Xex,Xend,W,method=classical)
and my problem is that I either get an error because missing values are
not allowed in the matrices or when I exclude NA's from the matrices it
says that matrices
dear all -
I currently use Tinn-R as my text editor to work with code that I submit to R,
with some output dumped to text files, some images dumped to pdf. (system:
Windows 2K and XP, R 2.4.1 and R 2.5). We are using R for overnight runs to
create large output data files for GIS, but then I
On Wed, 30 May 2007, Mike Leahy wrote:
Hello,
I've been trying every now and then to find a cross operating system
solution that would let me access PostgreSQL (and PostGIS) from R, or to
access R from PostgreSQL. I know of pl/r, which accomplishes the
latter, but has yet to be
Have you tried R2HTML, or is HTML not what you're looking for?
-Original Message-
From: [EMAIL PROTECTED] on behalf of Tim Howard
Sent: Wed 30/05/2007 9:43 PM
To: r-help@stat.math.ethz.ch
Subject: [R] opinions please: text editors and reporting/Sweave?
dear all -
I currently use
Tim,
First, I personnally am a big fan of LaTeX, Emacs, and ESS and I think
that in the long run you would benefit from learning all of them
(probably start with Emacs, then ESS, then LaTeX once you already have a
knowledge of Emacs and how it can help).
Since you asked about the simplest way to
I would also recommend you take a look at RODBC for general purpose
database access. My impression is that it has received a lot more
maintenance attention lately.
I can't comment on the windows gdal binaries as I'm not too familiar
with that platform.
THK
On 5/30/07, Mike Leahy [EMAIL
One minor warning regarding LaTeX: I have encountered journals in the
psychological field (specifically, journals of the psychonomic
society) that refuse to accept articles prepared in LaTeX, even if
they are submitted as PDF. I'm a big LaTeX fan myself, so I really
can't comprehend this.
Hi, All,
I'm writing a wrapper for stop that produces a popup window using tcltk.
Something like:
error - function(...) {
msg - paste(..., sep = )
if(!length(msg)) msg -
if(require(tcltk, quiet = TRUE)) {
tt - tktoplevel()
tkwm.title(tt, Error)
tkmsg - tktext(tt, bg =
Dear all,
I would like to generate 25 numbers from 1 to 100 but I would like to have some
numbers that could be more probable to come out. I was thinking of the
function runif:
runif(25, 1, 100) , but I don´t know how to give more weight to some numbers.
Example:
each number from 2 to 10
Not sure why you have set the probability of a 1 to 0 but maybe something
like this might be what you want:
round( ifelse( rbinom(25, 1, 0.4), runif(25, 2, 10), runif(25, 11, 100) ) )
[1] 2 6 34 90 79 71 83 8 47 36 21 32 17 71 3 16 9 65 94 6 30 5 7
10 13
I would like to
You did not explicitly say it, but your example indicates that you want to
sample from integers only (else what would weights mean?). So...
?sample -- in particular note the prob argument and read help docs
carefully
e.g.
sample(100,25,prob=c(0,rep.int(.4,9),rep.int(.6,90))) ## without
Dear R wizards,
I am seeking advice on graphics in R. Specifically, how to manipulate
the size and save a plot I have produced using the LDheatmap library.
I confess I am relatively new to graphics in R, but I would greatly
appreciate any suggestions you may have.
LDheatmap produces a
I use the savePlot function for saving graphics. The following will save the
active graphics panel in your working directory, in format wmf, which I find
has a high resolution. Check out other possible formats in help.
savePlot(filename = myfilename,type = c(wmf))
Murray
On 31/05/07, Felicity
Is there an implementation of the Cox-Snell residuals / Nelson-Aalen plot
for goodness of fit?
Or otherwise is there an appropriate Goodness of Fit diagnostic?
Thanks
Murray
--
Murray Pung
Statistician, Datapharm Australia Pty Ltd
0404 273 283
[[alternative HTML version deleted]]
Hi all:
I'm developing an application in which I use standard data to
train the model in LDA and use the trained model to predict on test data. I
can't train the model every time when I do prediction. So I need to save the
trained model onto disk after the first training. Does
Tim Howard wrote:
dear all -
I currently use Tinn-R as my text editor to work with code that I submit to
R, with some output dumped to text files, some images dumped to pdf. (system:
Windows 2K and XP, R 2.4.1 and R 2.5). We are using R for overnight runs to
create large output data
Winshell (http://www.winshell.de/) is another (free) option if you want a
Windows editor with good MikTEX integration.
On 5/31/07, Duncan Murdoch [EMAIL PROTECTED] wrote:
Tim Howard wrote:
dear all -
I currently use Tinn-R as my text editor to work with code that I submit
to R, with some
Christian,
The formula language is not suited to such recursive useage
AFAICS.
You can _vectorize_ your code like this:
cmat - outer( 1:25, 1:25, function(y,x) ifelse( xy, 0, 0.8^(y-x) ) )
res - replicate(1000,{
y - 1 + cmat %*% rnorm(25)
coef(lm(y[-1]~y[-25]))
There is a difference between levels and labels. I think this is what
you want.
x - factor(rep(0:5, 2))
x
[1] 0 1 2 3 4 5 0 1 2 3 4 5
Levels: 0 1 2 3 4 5
levels(x) - c(1,1:5)
x
[1] 1 1 2 3 4 5 1 1 2 3 4 5
Levels: 1 2 3 4 5
table(x)
x
1 2 3 4 5
4 2 2 2 2
Bill Venables
CSIRO
On Sun, 27 May 2007 15:09:43 -0700,
Deepayan Sarkar [EMAIL PROTECTED] wrote:
[...]
Better in what sense? You are trying to use lattice to do something that
lattice isn't designed to do, so there is no solution that is clean in
a philosophical sense. Ideally, you want something like grid, that
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