[R] data frame names in sequence

2010-01-10 Thread Zoho
I've been stuck with this problem for a whole afternoon. It's silly but totally pissed me off. I have a set of data frames with names in a sequence: df_1, df_2, df_3, ..., df_20. Now I want to access each data frame (read or write) in a for loop, in a way something like this: for (i in 1:20) {

Re: [R] Plotting numeric values against non numeric items

2010-01-10 Thread Jim Lemon
On 01/10/2010 01:29 AM, lse1986 wrote: Hey Jim, Thanks for your reply! I tried what you said, i still kept getting errors. here's what i want my graph to look like: http://i.imagehost.org/0474/Untitled_5.jpg Oh, I see. AandC-data.frame('Not Stir'=c(686.36,398.32),Stir=c(179.17,60.29))

Re: [R] data frame names in sequence. please help!!!

2010-01-10 Thread Barry Rowlingson
On Sun, Jan 10, 2010 at 7:16 AM, Berend Hasselman b...@xs4all.nl wrote: Zoho wrote: I've been stuck with this problem for a whole afternoon. It's silly but totally pissed me off. I have a set of data frames with names in a sequence: df_1, df_2, df_3, ..., df_20. Now I want to access each

Re: [R] parsing pdf files

2010-01-10 Thread Mark Wardle
If you can use a R - java interface, you could use itext to do this as long as the PDF is fairly sane. see http://itextpdf.com/ It is what pdftk uses. b/w Mark 2010/1/9 David Kane d...@kanecap.com: I have a pdf file that I would like to parse into R:

Re: [R] Simple proportion barchart

2010-01-10 Thread Dieter Menne
WillP wrote: I am trying to create barcharts of the proportion of people who do art by covariate. I have data like this: artsex 0 1 1 0 0 1 0 0 1 1 ...all I want is to create a barchart of proportions who have 1 for art by

[R] Simple proportion barchart

2010-01-10 Thread WillP
Hi there, I am trying to create barcharts of the proportion of people who do art by covariate. I have data like this: artsex 0 1 1 0 0 1 0 0 1 1 ...all I want is to create a barchart of proportions who have 1 for art by sex. How do I do

Re: [R] Plotting numeric values against non numeric items

2010-01-10 Thread Dennis Murphy
This isn't quite as sophisticated as Jim Lemon's solution (BTW, very nice!), but here's a way to get the graph (sans table) using ggplot2 and lattice: dissolve - data.frame( Method = rep(c('No Stir', 'Stir'), each = 2), Type = rep(c('Cube', 'Granules'), 2), Time =

Re: [R] data frame names in sequence

2010-01-10 Thread jim holtman
?get for (i in 1:20) { df_i - get(paste('df_', i, sep='')) length(which(df_i[,7]==1)) ## } On Sat, Jan 9, 2010 at 7:57 PM, Zoho ynp...@gmail.com wrote: I've been stuck with this problem for a whole afternoon. It's silly but totally pissed me off. I have a set of data frames with

Re: [R] Calling FING.EXE under RGui.EXE for windows.

2010-01-10 Thread Gabor Grothendieck
I noticed this does work, i.e. it displays the requested help info, in Rgui on my Vista system: library(tcltk) .Tcl(exec find /?) On Sat, Jan 9, 2010 at 7:27 PM, Duncan Murdoch murd...@stats.uwo.ca wrote: On 09/01/2010 6:31 PM, Gabor Grothendieck wrote: That doesn't explain why this returns

Re: [R] Calling FING.EXE under RGui.EXE for windows.

2010-01-10 Thread Duncan Murdoch
Gabor Grothendieck wrote: I noticed this does work, i.e. it displays the requested help info, in Rgui on my Vista system: library(tcltk) .Tcl(exec find /?) Yes, here too. It stores the output in a tclObj, so it's doing what we want to do. Anyone familiar with the Tcl source, and can

Re: [R] Directory operations

2010-01-10 Thread anupam sinha
Hi Uwe, Thanks for your suggestion . Here's my code. I am confused as to how to initialize an empty list . Here I have used pairlist() *list.files()-org_xml_dirs for (i in org_xml_dirs) { setwd(file.path(/home/anupam/Research/Anupam_data/ORG_XML_FILES/,i)) org_xml-list.files()

[R] How to control spaces between axis, tick and label in xyplot or xYplot?

2010-01-10 Thread willow1980
Dear R users, I encounter a problem regarding space control in xyplot. Basically, I want to control spaces between label, tick and axis. I remember there is a function called mgp in general plot. Is there a similar function for xyplot or xYplot? Below is my basic code:

Re: [R] parsing pdf files

2010-01-10 Thread John Maindonald
Oblivious to the problems that Barry notes, I have used pdftotext, from Xpdf at http://www.foolabs.com/xpdf/download.html without apparent problem; this under MacOS X. For my purposes, I need to retain the CTRL/Fs that indicate page throws. Other converters that I have investigate seem not to

[R] How to control number of significant digits (figures) in y-axis?

2010-01-10 Thread willow1980
Dear R users, I encounter a problem regarding number of significant digits on y-axis. Below is my basic code: myplotkid-xyplot(expected_offspringnumber~afr|decade,groups=SES,data1, auto.key=list(space=right),layout=c(9,1),xlab=,ylab=Offspring number,

Re: [R] How to control spaces between axis, tick and label in xyplot or xYplot?

2010-01-10 Thread David Winsemius
On Jan 10, 2010, at 9:45 AM, willow1980 wrote: Dear R users, I encounter a problem regarding space control in xyplot. Basically, I want to control spaces between label, tick and axis. I remember there is a function called mgp in general plot. Is there a similar function for xyplot or

[R] anova/graphs for _many_ variables

2010-01-10 Thread eldor ado
hello, i'm looking for an efficient way to run two-way-anovas and/or boxplots for all (200+) variable in a dataframe. are there a neat way to script this? lukas kohl __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] errors when installing packages (ubuntu)

2010-01-10 Thread Reinhard Furrer
All, as a temporary fix (until the new version is on CRAN), one can install spam version spam_0.20-0 available on http://user.math.uzh.ch/furrer/software/spam/ During the installation, a couple warnings appear, but on can ignore those... I'll post a new version soon. Best, Reinhard

Re: [R] Calling FING.EXE under RGui.EXE for windows.

2010-01-10 Thread Henrik Bengtsson
Forgot to say that when you use that findit.bat script, you get: Rgui.exe: system(findit.bat) Errorlevel is 1, not found shell(findit.bat) Errorlevel is 1, not found Rterm.exe: shell(findit.bat) c:\config.sys Errorlevel is 0, found system(findit.bat) c:\config.sys Errorlevel is 0,

Re: [R] Calling FING.EXE under RGui.EXE for windows.

2010-01-10 Thread Henrik Bengtsson
cat(file=foo.txt, Hello world\n) shell('find Hello foo.txt') Hello world shell('find Hello foo.txt', intern=TRUE) [1] Hello world shell('type foo.txt | find Hello') Hello world shell('type foo.txt | find Hello', intern=TRUE) [1] Hello world A person at

[R] lme4 and function 'cholmod_start' not provided by package 'Matrix' / Ubuntu

2010-01-10 Thread Esmail
Hello all, Using Ubuntu 9.04 and R 2.8.1. For a project I need to use the Zelig package, which in turn wants to use the lme4 package. When trying to use Zelig and it tries to its required packages I get the following error message. Error in dyn.load(file, DLLpath = DLLpath, ...) : function

Re: [R] parsing pdf files

2010-01-10 Thread Mark Wardle
[copied to list for posterity...] Sorry. I am completely wrong. I've been using itext to split, fill in forms and recombine PDF so assumed (wrongly) that text extraction was possible. In fact, reading the mailing lists is quite informative - clearly PDF is not designed for this. Try this

Re: [R] data frame names in sequence. please help!!!

2010-01-10 Thread Zoho
Thank you all. The 'list' works well, except makes a really big 'list', since my data is 'huge'. But solves the problem anyway. Appreciate a lot! Barry Rowlingson wrote: On Sun, Jan 10, 2010 at 7:16 AM, Berend Hasselman b...@xs4all.nl wrote: Zoho wrote: I've been stuck with this

[R] xmlToDataFrame#Help!!!

2010-01-10 Thread Christian Ritter
I'm struggling with interpreting XML files created by ADODB as data.frames and I'm looking for advice (see attached example file). Note: This file contains a result set which comes from a rectangular data array. I've been trying to play with parameters to the xmlToDataFrame function in the XML

Re: [R] lme4 and function 'cholmod_start' not provided by package 'Matrix' / Ubuntu

2010-01-10 Thread Dieter Menne
Esmail Bonakdarian-4 wrote: Using Ubuntu 9.04 and R 2.8.1. For a project I need to use the Zelig package, which in turn wants to use the lme4 package. When trying to use Zelig and it tries to its required packages I get the following error message. Error in dyn.load(file, DLLpath

Re: [R] xmlToDataFrame#Help!!!

2010-01-10 Thread Dieter Menne
Christian Ritter-4 wrote: I'm struggling with interpreting XML files created by ADODB as data.frames and I'm looking for advice (see attached example file). xmlToDataFrame is limited to fairly flat structures, so maybe your file is not flat enough. Try first to read in with xmlTreeParse

Re: [R] xmlToDataFrame#Help!!!

2010-01-10 Thread Duncan Temple Lang
Christian Ritter wrote: I'm struggling with interpreting XML files created by ADODB as data.frames and I'm looking for advice (see attached example file). You'll have to attach it (or give us a URL for it). Also, you should tell us what you have tried and how it failed. And of course, your

Re: [R] lme4 and function 'cholmod_start' not provided by package 'Matrix' / Ubuntu

2010-01-10 Thread Esmail
On 10-Jan-10 12:12, Dieter Menne wrote: Esmail Bonakdarian-4 wrote: Using Ubuntu 9.04 and R 2.8.1. For a project I need to use the Zelig package, which in turn wants to use the lme4 package. When trying to use Zelig and it tries to its required packages I get the following error message.

[R] xmlToDataFrame#Help!!!#follow-up

2010-01-10 Thread Christian Ritter
Dieter Menne pointed out that the (small) xml attachment didn't make it. Here is an in-line version (see end of message). Let's hope it works this time. I'm struggling with interpreting XML files created by ADODB as data.frames and I'm looking for advice. Note: This xlm contains a result

Re: [R] Calling FING.EXE under RGui.EXE for windows.

2010-01-10 Thread Duncan Murdoch
I'm quitting on this one. For the record, I took a look at a fairly old version of the Tcl code (from 8.4.13) that I had around from an old attempt to get it to work properly with MDI windows. There are a number of differences between their exec code and our system() code, but I couldn't

Re: [R] xmlToDataFrame#Help!!!#follow-up

2010-01-10 Thread Gabor Grothendieck
Try this: library(XML) doc - xmlTreeParse(adodb.xml, useInternalNodes = TRUE) Lines - xpathSApply(doc, //z:row, function(x) do.call(paste, as.list(xmlAttrs(x DF - read.table(textConnection(Lines), col.names = xpathSApply(doc, //s:AttributeType, function(x) xmlAttrs(x)[[1]]))

Re: [R] Calling FING.EXE under RGui.EXE for windows.

2010-01-10 Thread Gabor Grothendieck
Perhaps you can add it to the bug list before you leave it including what you tried in case its a symptom of some larger underlying problem. On Sun, Jan 10, 2010 at 1:24 PM, Duncan Murdoch murd...@stats.uwo.ca wrote: I'm quitting on this one.  For the record, I took a look at a fairly old

Re: [R] Calling FING.EXE under RGui.EXE for windows.

2010-01-10 Thread Duncan Murdoch
On 10/01/2010 1:42 PM, Gabor Grothendieck wrote: Perhaps you can add it to the bug list before you leave it including what you tried in case its a symptom of some larger underlying problem. This list is archived, so there's a record. But I think this is a find bug, not an R bug, so it

Re: [R] adding 3D arrows to 3D plots

2010-01-10 Thread Barry Rowlingson
Have a go with this: arrow3d - function(p0=c(0,1,0),p1=c(1,1,1),s=0.1,theta=pi/4,n=3,...){ ##p0: start point ##p1: end point ## s: length of barb as fraction of line length ## theta: opening angle of barbs ## n: number of barbs ## ...: args passed to lines3d for line

Re: [R] Calling FING.EXE under RGui.EXE for windows.

2010-01-10 Thread Gabor Grothendieck
That may be but given that tcl does not have the same problem it might still be something that would be desirable to address and it is possible that it is a symptom of a larger problem in R. It will more likely be lost if its buried in this discussion. On Sun, Jan 10, 2010 at 1:51 PM, Duncan

[R] ordering of additional columns in forest plot in meta package

2010-01-10 Thread Philip de Witt Hamer
Hi, I am trying to add additional columns to a forest plot using the meta package. The study information and subgroup analysis plotting is handled properly. For this output the data is ordered first by subgroup label (rnd.subgroup1 in the example) and second decreasing size of totals ('n' in the

[R] Tables to export to excel

2010-01-10 Thread Orvalho Augusto
I am doing some tables with verry long and numerouses categories. Eg. Cause of Death Crossed by sex e then by group ages. Is it possible to have such crosstab sent to an excel file so I could easilly report. Thanks in advance Caveman -- OpenSource Software Consultant CENFOSS

Re: [R] lme4 and function 'cholmod_start' not provided by package 'Matrix' / Ubuntu

2010-01-10 Thread Esmail
On 10-Jan-10 12:40, Douglas Bates wrote: As Dieter points out, this is likely a mismatch between the versions of the lme4 and the Matrix packages, which are very closely linked together. It appears that the version of the lme4 package is too old for the version of the Matrix package, which is

Re: [R] Plotting numeric values against non numeric items

2010-01-10 Thread Peter Ehlers
Dennis and Sam, Re Dennis' lattice plot: Here's how you can superpose lines and points in the key. simpleKey() is not flexible enough, so we use the key list directly. dissolve - data.frame( Method = rep(c('No Stir', 'Stir'), each = 2), Type = rep(c('Cube', 'Granules'), 2),

Re: [R] Tables to export to excel

2010-01-10 Thread Erich Neuwirth
There are a few different options for exporting matrices and dataframes from R to Excel. RExcel (an Excel addin available from rcom.univie.ac.at) allows you use a menu item Get array or Get dataframe to do this. Other options are described in Chapter 8 of the R Data Import/Export manual. There

[R] problems with bigmemory

2010-01-10 Thread Eric Claus
Hi all, I am trying to read a large csv file (~11 Gb - ~900,000 columns, 3000 rows) using the read.big.matrix command from the bigmemory package. I am using the following command: x-read.big.matrix('data.csv', sep=',', header=TRUE, type='char', backingfile='data.bin', descriptorfile='data.desc')

Re: [R] adding 3D arrows to 3D plots

2010-01-10 Thread Peter Ehlers
Cool, Barry. I set n=30, col=red and stuck it into my daiquiri! -Peter Ehlers Barry Rowlingson wrote: Have a go with this: arrow3d - function(p0=c(0,1,0),p1=c(1,1,1),s=0.1,theta=pi/4,n=3,...){ ##p0: start point ##p1: end point ## s: length of barb as fraction of line length

Re: [R] R exponential regression

2010-01-10 Thread Murray Cooper
Chris, I haven't seen anyone post a reply yet so thought I'd throw in my thoughts. I'm no R expert! When you talk about an exponential trend line are you refering to: 1) y=ax^b or 2) y=ae^(bx) If 1) then take base10 logs of y and x and then fit them with simple linear regression. Then

Re: [R] How to control spaces between axis, tick and label in xyplot or xYplot?

2010-01-10 Thread Peter Ehlers
You don't provide reproducible code and your space bar seems to be broken (or perhaps, you're trying to save bandwidth by minimizing the number of characters sent), but this may be what you're after: myspacing - 0.5 xyplot(Sepal.Length ~ Petal.Length | Species, data = iris, layout =

Re: [R] R exponential regression

2010-01-10 Thread chrisli1223
Thank you very much Murray! Greatly appreciated. :] Chris Murray Cooper wrote: Chris, I haven't seen anyone post a reply yet so thought I'd throw in my thoughts. I'm no R expert! When you talk about an exponential trend line are you refering to: 1) y=ax^b or 2) y=ae^(bx) If

Re: [R] Boxplot- input the median point and the median value

2010-01-10 Thread elaine kuo
Hello Jim, I tried your approach on box plot, and it is useful. Thanks. However, I wanna add the mean value right or left to the mean point. (as attached) Please kindly share if it is possible and thanks again. Elaine On Sat, Jan 2, 2010 at 5:01 PM, Jim Lemon j...@bitwrit.com.au wrote: On

Re: [R] How to control number of significant digits (figures) in y-axis?

2010-01-10 Thread Peter Ehlers
Use the 'scales=' argument together with formatC: x - 1:10 y - sample(10) xyplot(y ~ x, scales = list( y = list( at = 1:10, lab = formatC(1:10, format = f, digits = 1 ?formatC ?xyplot -Peter Ehlers willow1980 wrote: Dear R

Re: [R] R exponential regression

2010-01-10 Thread Peter Ehlers
chrisli1223 wrote: Hi all, I have a dataset which consists of 2 columns. I'd like to plot them on a x-y scatter plot and fit an exponential trendline. I'd like R to determine the equation for the trendline and display it on the graph. Here's one way: f - function(x,a,b) {a * exp(b * x)} #

[R] Help me! using random Forest package, how to calculate Error Rates in the training set ?

2010-01-10 Thread bbslover
now I am learining random forest and using random forest package, I can get the OOB error rates, and test set rate, now I want to get the training set error rate, how can I do? pgp.rf-randomForest(x.tr,y.tr,x.ts,y.ts,ntree=1e3,keep.forest=FALSE,do.trace=1e2) using the code can get oob and

[R] Problem about Box-Cox transformation (topic in html form)

2010-01-10 Thread Saji Ren
Hi: Recently, I want to perform a transformation on my data to make it more normal, meanwhile the order statistics is unchanged. So I decided to use a box-cox transformation. below is the qq-plot of the original data http://n4.nabble.com/file/n1011015/start%2Bvalue%2Bproblem%2B02.jpeg Note that

[R] Point plot comparisions

2010-01-10 Thread Marlin Keith Cox
I would like to create a point plot with the following two sets of points: #1 plot(Day,Total) and #2 (Day,cons_hat). Total is the actual value seen and cons-hat is a predicted value. If possible, I do not want to stack them as they are quite long. (FYI, I did use the reshape on a previous post,

[R] Illustrating kernel distribution in wheat ears

2010-01-10 Thread Carl-Göran CG . Pettersson
Dear all R2.10 WinXP I have a dataset dealing with the way different wheat cultivars build their yield. Wheat ears are organised in spikelets where the spikelets can be numbered from the bottom, with even numbers on one side and odd on the other. I know how many kernels there were in each