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University of Rochester
Department
Another option is to use the colsplit() function (in the reshape package):
testdata - data.frame(sp = c(GenusA_SpeciesC_Tree,
GenusA_SpeciesF_Tree, GenusB_SpeciesA_Shrub),
stringsAsFactors=FALSE)
library(reshape)
testdata - cbind(testdata, colsplit(testdata$sp, split=_, names=c(Genus,
Species,
Hi Marcos,
If your server is running Apache I highly recommend looking at RApache (see
http://biostat.mc.vanderbilt.edu/rapache/).
This will not help with the database connection part though.
Best,
Ista
On Tuesday 01 June 2010 3:05:27 pm marcos carvajalino wrote:
Hello list helpers,
I'm
Hi Ralf,
Ralf B ralf.bie...@gmail.com writes:
Hi fans,
is it possible for a script to check if a library has been installed?
I want to automatically install it if it is missing to avoid scripts
to crash when running on a new machine...
You could do something like
if (somepackage %in%
n.via...@libero.it n.via...@libero.it writes:
Hi,
Dear List I would like to ask you something concenting a better print of the
R output:
I have a bit data frame which has the following structure:
CFISCALE RAGSOCBANNO VAR1VAR2.
9853312
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Department of Clinical
.
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University of Rochester
Department of Clinical and Social
can I find simple effects of UCS for males and for females?
Thanks,
Ista
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http://yourpsyche.org
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.
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1 0.19829479 -0.642097
2 2 0.37971900 -0.642097
3 3 -0.23557248 -0.642097
4 4 0.12969246 -0.642097
5 5 -0.12019995 -0.642097
6 6 0.09744247 -0.642097
7 7 -1.24467558 -0.642097
8 8 1.69505449 -0.642097
9 9 1.60714925 -0.642097
10 10 0.11961170 -0.642097
Thanks,
--
Ista Zahn
OK, I think I figured it out (each level of id corresponds to only one
level of variable in m.test).
Thanks,
Ista
On Mon, Jan 25, 2010 at 4:59 PM, Ista Zahn iz...@psych.rochester.edu wrote:
Hi all,
I think I'm cracking up. Please help me understand why I'm getting
different results with m.test
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Department
, self-contained, reproducible code.
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-contained, reproducible code.
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commented, minimal, self-contained, reproducible code.
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Graduate student
University
get rid of these text:soft-page-break/ tags
that appeared for no apparent reason ? Is there a way to configure
OpenOffice Writer so that he won't put such tags ?
Thanks a lot,
Joel
On Wed, Jan 27, 2010 at 1:54 PM, Ista Zahn istaz...@gmail.com wrote:
Hi Joel,
Can you paste a minimal
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]]
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Graduate student
University
/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
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https
the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
variances.
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.s...@imail.org
801.408.8111
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-
project.org] On Behalf Of Ista Zahn
Sent: Tuesday, February 02, 2010 12:03 PM
, reproducible code.
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University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
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PLEASE do read the posting
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http
, reproducible code.
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Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
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PLEASE do read the posting
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical
]]
__
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
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Graduate student
University of Rochester
]]
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate
commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
__
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, reproducible code.
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Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
__
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PLEASE do read the posting
, Ista Zahn istaz...@gmail.com wrote:
Hi Jessica,
As far as I know that's the expected behavior (at least it's not OS
X-specific: I get the same on OpenSuse 11.2). What happens if you do
download.packages(ape, destdir = ~/Desktop/)
?
Also, out of curiosity, why are you using download.packages
packages, but they
seem to need to know in advance which course is in the treatment
condition and which is in the control condition. I'll be grateful for
any suggestions.
Best,
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
David, this is very nice. Simple and straightforward. Thank you!
-Ista
On Wed, Feb 17, 2010 at 10:09 AM, David Winsemius
dwinsem...@comcast.net wrote:
On Feb 17, 2010, at 8:55 AM, David Winsemius wrote:
On Feb 17, 2010, at 8:26 AM, Ista Zahn wrote:
Hi all,
I am designing a study in which
code.
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Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical
Hi Stephen,
See below.
On Thursday 18 February 2010 11:01:25 am stephen sefick wrote:
Is there any easy way to pull out the row indexes for a logical
matching statment?
#example
code#
foo - data.frame(name=c(rep(A, 25), rep(B, 25),
I think you can just use
CondoLots[CondoLots 1] - CondoLots[CondoLots 1] -1
-Ista
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and
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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Hi Robert,
You need to modify your function to return a value. Something like
x - function(nbr){
y-rnorm(nbr)
y1 - mean(y)
plot(y)
return(y1)
}
-Ista
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On 02/19/10 xin...@stat.psu.edu wrote:
Hi, I am using R in Linux environment. How can i make plot in Linux just
like in windows?
There shouldn't be much difference, but we're going to need a lot more
information. What version of linux, what version of R, what exactly is the
problem you are
mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social
commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
__
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list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
.
__
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
__
R
around it. Thank you for your patience.
-Ista Zahn
http://izahn.homedns.org
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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://www.cmis.csiro.au/bill.venables/
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
project.org]
On Behalf Of Ista Zahn
Sent: Thursday, 25 October 2007 11:35 AM
To: r-help@r-project.org
Subject: [R] Novice programing question
Hi all,
I apologize for the ignorance
I know there are a lot of reshape questions on the mailing list, but I
haven't been able to find an answer to this particular issue.
I am trying to get a datafame structured like this:
sub - rep(1:5)
ta1 - rep(1,5)
ta2 - rep(2,5)
tb1- rep(3,5)
tb2 - rep(4,5)
DF -
Dear R listers,
I know I'm breaking the rules by asking a homework related question--
I hope you'll forgive me. I am a social psychology graduate student,
and the only one in my department who uses R. I successfully completed
my multiple regression and structural equation modeling courses
Hi,
I've run into a difficulty with qplot function (in the ggplot2
package). I can facet histograms even when the faceting variable
contains missing values, but only so long as the faceting variable is
not a factor.
Example:
y1 - rnorm(10)
x1 - c(rep(1,5), rep(2,4), NA)
x2 -
From: Mark Knecht markkne...@gmail.com
To: r-help r-help@r-project.org
Date: Fri, 10 Jul 2009 09:07:29 -0700
Subject: Re: [R] ReShape/cast question - sum of value in table
On Fri, Jul 10, 2009 at 8:38 AM, Mark Knechtmarkkne...@gmail.com wrote:
Hi Mark,
You can simplify the code a bit:
SNIP
Hi Peter,
- Forwarded message --
From: Peter Schmidtke pschmid...@mmb.pcb.ub.es
To: r-help@r-project.org
Date: Wed, 15 Jul 2009 12:27:17 +0200
Subject: [R] interacting variables in a formulae in R
Dear R Mailing Subscribers,
I just have a question of how R handles
See
http://wiki.r-project.org/rwiki/doku.php?id=tips:data-manip:drop_unused_levels
-Ista
Hi!
I have the following problem that I beleive is a bug:
I have a dataframe with one categorical and one numerical vector. The
categorical vector has three levels (uc, up and vc). A plot of the
Dear list,
I'm trying to figure out how to use the reshape package to reshape
data from a wide format to a long format. I have data like this
pid - c(1:10)
predA - c(-1,-2,-1,-2,-1,-2,-1,-2,-1,-2)
predB.1 - c(0,0,0,1,1,0,0,0,1,1)
predB.2 - c(2,2,3,3,3,2,2,3,3,3)
predC.1 -
Thanks Hadley, with your help I'm getting things figured out.
On Jun 13, 2008, at 2:09 PM, hadley wickham wrote:
M.Data2 - data.frame(M.Data, colsplit(M.Data$variable, split = \
\., names
= c(treatment, time)))
which gave:
head(M.Data2)
pid variable value treatment time
1 1predA-1
On Jun 16, 2008, at 6:00 AM, [EMAIL PROTECTED] wrote:
From: eugen pircalabelu [EMAIL PROTECTED]
Date: June 15, 2008 7:16:09 PM EDT
To: R-help [EMAIL PROTECTED]
Subject: [R] R vs SAS and HLM on multilevel analysis- basic question
Hi R users!
I am trying to learn some multilevel analysis,
Hello,
This is a follow up question to my previous one
http://tolstoy.newcastle.edu.au/R/e4/help/08/02/3600.html
I am attempting to model relationship satisfaction (MAT) scores
(measurements at 5 time points), using participant (spouseID) and
couple id (ID) as grouping variables, and time
On Apr 23, 2008, at 8:56 AM, Douglas Bates wrote:
On 4/22/08, Ista Zahn [EMAIL PROTECTED] wrote:
Hello,
This is a follow up question to my previous one
http://tolstoy.newcastle.edu.au/R/e4/help/08/02/3600.html
I am attempting to model relationship satisfaction (MAT) scores
(measurements
From: Jason Lee [EMAIL PROTECTED]
Date: May 23, 2008 10:06:18 AM EDT
To: r-help@r-project.org
Subject: [R] Fwd: Advise in R- plotting graphs
Hi
I tried and it is not what im looking ..
I basically issue plot(data$V1,data$V2) as the matrix have the two
headers..But essentially what I
Hi Tena,
I recommend rapache for building websites with R. See
http://biostat.mc.vanderbilt.edu/rapache/
-Ista
-- Forwarded message --
From: Tena Sakai tsa...@gallo.ucsf.edu
To: ted.hard...@manchester.ac.uk, r-help@r-project.org
Date: Tue, 28 Apr 2009 15:04:53 -0700
Subject:
Hi Dana,
-- Forwarded message --
From: Dana Sevak dana.se...@yahoo.com
To: r-help@r-project.org
Date: Tue, 12 May 2009 23:02:00 -0700 (PDT)
Subject: [R] Help with reshape/reShape and indexing
Dear R Helpers,
I have trouble applying reShape and reshape although I read the
From: Jeff Newmiller jdnew...@dcn.davis.ca.us
To: R Heberto Ghezzo, Dr heberto.ghe...@mcgill.ca
Date: Wed, 27 May 2009 09:00:44 -0700
Subject: Re: [R] R in Ubunto
R Heberto Ghezzo, Dr wrote:
Hello , I do not know anything abount Ubunto, but I found a Portable
Ubunto for Windows
Hi everyone,
I have data from an experiment in which human participants were
instructed to generate a random sequence of yes/no answers under 4
different conditions. I want to test how successful they were in doing
this. More specifically, I want to test the null hypothesis that the 4
conditions
From: Christopher David Desjardins cddesjard...@gmail.com
To: r-help@r-project.org
Date: Thu, 12 Mar 2009 17:37:26 -0500
Subject: [R] Unable to run smoother in qplot() or ggplot() - complains about
knots
I get the following error when I run qplot()
qplot(grade, read,data = hhm.long.m,
Hi Christian,
I've been having this problem as well. There are bug reports about
this (one of them mine):
http://biostat.mc.vanderbilt.edu/trac/Hmisc/ticket/25
http://biostat.mc.vanderbilt.edu/trac/Hmisc/ticket/28
so hopefully the developers are aware of the problem and will address
it in the next
Dear all,
Is there a simple way to strip the leading 0's from R output? For example,
I want
Data - data.frame(x=rnorm(10), y=x*rnorm(10), z = x+y+rnorm(10))
cor(Data)
to give me
x y z
x 1.000 -.1038904 -.3737842
y -.1038904 1.000 .4414706
z -.3737842
Hi all,
I want to use R to provide participants in psychology experiments with
their scores on various measures. I looked around and found several
programs designed to do this. I settled on Rpad because it seemed easy
to set up and use. I have it working (see
Hi Eugene,
I didn't get the attachment, so I'm not sure what error messages you
are getting. But I think \usepackage{sweave} should be
\usepackage{Sweave} (with a capital S).
-Ista
-- Forwarded message --
From: eugen pircalabelu eugen_pircalab...@yahoo.com
To: R-help
I strongly recommend using AucTeX for this. When inside a code chunk
emacs behaves just like it does in ess mode, and when not in a code
chunk emacs behaves like it usually does when editing LaTeX files in
AucTeX. It's pretty great.
As for your particular problem, I can't tell what's going on. If
Dear Professor Leisch + R helpers,
For the past few days I have been trying to figure out why the LaTeX
endfloat package is not working with Sweave. I figured it out, and
it's trivial: The endfloat package requires that \begin{table} and
\end{table} commands are on their own line. But Sweave is
...@stats.uwo.ca wrote:
On 2/20/2009 11:08 AM, Ista Zahn wrote:
Dear Professor Leisch + R helpers,
For the past few days I have been trying to figure out why the LaTeX
endfloat package is not working with Sweave. I figured it out, and
it's trivial: The endfloat package requires that \begin{table
Dear professor Fox and R helpers,
I have a quick question about the Anova function in the car package.
When using the default type II SS I get results that I don't
understand (see below).
library(car)
Data - data.frame(y=rnorm(10), x1=factor(c(rep(a,4), rep(b,6))),
x2 = factor(c(rep(j, 2), rep(k,
Dear Professor Revelle and R-helpers,
This is a two-part question: the first part is general, and the second
is specific to the psych package.
First question: In the past I've constructed composite variables from
questionnaire data by using rowMeans(), and then correlating items
with the scale
snip
Second question: I spent some time with the psych package trying to
figure out how to use the score.items() function, and it's become
clear to me that I don't understand what it's doing. I assumed that
setting a key equal to -1 would result in the item being reverse
scored, but I get
Hi all,
Hopefully this is an easy question and I've overlooked something
simple. I want to present specific contrasts in an ANOVA table. I can
of course get the significance tests with summary.lm, but my adviser
wants the results in ANOVA format. Here is a minimal example:
x -
Thank you!
m.1 - aov(y ~ x)
summary(m.1, split = list(x = list(groups 1 and 2 vs group 3 = 1, group 1
vs group 2 = 2)))
does what I want.
On Fri, Nov 28, 2008 at 12:02 PM, Richard M. Heiberger [EMAIL PROTECTED]
wrote:
I believe you are looking for the summary.lm() function and its split=
You could achieve this from the LaTeX side of things using the
attachfile package:
http://www.ctan.org/tex-archive/macros/latex/contrib/attachfile/
I use this package to attach data files and R code to pdf's generated
with Sweave + pdflatex, so that the entire analysis can be reproduced
from a
Is there a way to use the rgroup option without creating horizontal
rules separating the groups?
For example, say I have the following matrix containing sample sizes,
means, and standard deviations, for three groups of male and female
participants:
descriptives
n MeanSD
Male 2
Dear list,
I have a variable that consists of typed responses. I wish to compute
a variable equal to the number of characters in the original variable.
For example:
x - c(convert this to 32 because it has 32 characters, this one has 22
characters, 12 characters)
[Some magic function here]
x
Thanks to everyone who responded. This turns out to be amazingly easy.
To count characters including spaces:
nchar(x)
To count characters excluding spaces:
nchar(gsub( *,,x))
Thanks!
On Fri, Dec 12, 2008 at 11:00 AM, Petr PIKAL petr.pi...@precheza.cz wrote:
Hi
r-help-boun...@r-project.org
I'm not sure this is the appropriate forum--please let me know if I
should post somewhere else.
I have Rpad version 1.3.0 set up on my webserver. It works, except
that graphics are not displayed. They are created (i.e., when I run
the example I see that graphics files are created in
wrote:
Ista Zahn schreef:
I'm not sure this is the appropriate forum--please let me know if I
should post somewhere else.
I have Rpad version 1.3.0 set up on my webserver. It works, except
that graphics are not displayed. They are created (i.e., when I run
the example I see that graphics
From: baptiste auguie ba...@exeter.ac.uk
To: Dimitris Rizopoulos d.rizopou...@erasmusmc.nl
Date: Tue, 13 Jan 2009 09:38:09 +
Subject: Re: [R] indexing question
you can also look at subset,
my.data.frame - data.frame(a=rnorm(10),
b=factor(sample(letters[1:4], 10, replace=T)))
This doesn't address your original question, but you might want to look at
using the Sweash.sh script available from
http://lib.stat.cmu.edu/R/CRAN/contrib/extra/scripts/. Download the file,
move it to /usr/local/bin (e.g., mv Sweave.sh /usr/local/bin) and make sure
it's executable (chmod +x
On Tue, Jan 13, 2009 at 9:53 AM, Ista Zahn istaz...@gmail.com wrote:
From: baptiste auguie ba...@exeter.ac.uk
To: Dimitris Rizopoulos d.rizopou...@erasmusmc.nl
Date: Tue, 13 Jan 2009 09:38:09 +
Subject: Re: [R] indexing question
you can also look at subset
Hi again,
one last annoying thing: how to deal with %, always when I use sweave to get
a latex document the % comes as a comment and I cannot have % in my tables,
how to sort out this annoying detail?
thanks!
Regards
Welma
Hi Welma,
You need to escape the % sign, just as you would if you
Dear list,
Sorry for the off-topic post. I've recently built a website using R
and Rapache to process survey and reaction time data. I'm using
ggplot2 to generate graphical reports for participants, and thought
some of you might be interested in taking a look. I'd appreciate any
feedback on the
but feels like a hack and results in
many temp
files###
cat('print(mean(', GET$pass.var,'))', file=tmp.R,sep=)
source(tmp.R)
[1] 15.5
###this seems promising but I can't figure it out###
substitute(mean(x), list(x=GET$pass.var))
mean(b)
###is there a better way?###
Thanks!
--
Ista Zahn
it out###
substitute(mean(x), list(x=GET$pass.var))
mean(b)
###is there a better way?###
Thanks!
--
Ista Zahn
Graduate student
University of Rochester
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do
by setting the
file name: latex(x, file=abcThisThat.tex).
Hope it helps,
Ista
snip
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
Jeroen Ooms * Dept. of Methodology and Statistics * Utrecht University
Visit http
From: Carlos Alzola calz...@cox.net
To: r-help@r-project.org
Date: Tue, 8 Sep 2009 23:19:11 -0400
Subject: [R] SAS vs. R in web application
Good evening,
I have been asked to investigate the pros and cons of using SAS vs. R in a
web application. Either SAS or R would be the engine used to
the colsplit function in the reshape package does this really easily.
--ista
-- Forwarded message --
From: Dry, Jonathan R jonathan@astrazeneca.com
To: r-help@R-project.org
Date: Fri, 25 Sep 2009 15:01:46 +0100
Subject: [R] Spliting columns, strings or reg exp returning
.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R
/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org
__
R-help@r-project.org mailing list
https
://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http
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