search for: rtipped

For me as a beginner a cookbook would be welcome. so many great code examples are posted into the help list, but finding these is quite difficult. I think it comes all down to the problem who is compiling / contributing and can judge what should go in. In this respect, Detlef Steuer (suggestion , might be a solution http://fawn.unibw-hamburg.de/cgi-bin/Rwiki.pl?RwikiHome. Frank >

Dear R help reader, I'm not an expert in R and are lerning a lot by reading the help digest, which is sometimes difficult because the huge amount of data posted. I have posted some questions before, and are impressed how quick I got a solution for my problem. Sometimes with quite different suggestions. I was always wondering if my questions didn't come up before. On the other site,

<ivo_welch-rstat8783@mailblocks.com> writes: > PS: I am still looking for an R wizard who would be interested in > coauthoring an "R cookbook" ala the "perl cookbook" with me... I think I've said it before, but I think such a book ought to coauthor Paul Johnson, whether or not he does any work beyond the Rtips web pages. A few of the tips may need a bit of

I am new to R. I want to graph group data using a "Traditional Bar Chart with Standard Error Bar", like the kind shown here: http://samiam.colorado.edu/~mcclella/ftep/twoGroups/twoGroupGraphs.html Is there a simple way to do this? So far, I have only figured out how to plot the bars using barplot. testdata <- scan(, list(group=0,xbar=0,se=0)) 400 0.36038 0.02154 200 0.35927

Tony Plate <tplate <at> acm.org> writes: > > Since the virtue and reliability of Wikis was brought up, I created a R > Wiki page for this at > http://www.sciviews.org/_rgui/wiki/doku.php?id=beginners:surprises:emptysetfuncs > > > Anyone: please correct errors and improve it! > > Tony Plate > OK, now I have another question: I see a wiki at

Tony Plate <tplate <at> acm.org> writes: > > Since the virtue and reliability of Wikis was brought up, I created a R > Wiki page for this at > http://www.sciviews.org/_rgui/wiki/doku.php?id=beginners:surprises:emptysetfuncs > > > Anyone: please correct errors and improve it! > > Tony Plate > OK, now I have another question: I see a wiki at

Full_Name: Ross Boylan Version: N/A OS: Linux Submission from: (NULL) (198.144.201.14) 1. http://www.r-project.org/posting-guide.html includes "Paul Johnson's R tips page is a organized collection of how to do things in R, with many questions and tips culled from R-help" "R tips" is a link to http://www.ku.edu/~pauljohn/R/Rtips.html. I get a message the page is no longer

I hesitate to post this question in the light of recent threads, indeed I have hesitated for several weeks, however I have come to a full stop and really need some help if I am going to progress. I am a new user of R for medical statistics. I have attempted to read all the relevant documents, but would welcome any suggestions as to what I have missed. I am trying to contruct "table 1"

Hello R users, I am a fairly new R user, however, one of the problems I am having is the use of applying if-, and-, then-, else- statements in R against datasets & dataframe. Rtips mentions it, but without simple examples I am not quite sure what my syntax should look like. I am particularly interested in syntax that can be used with the transform function. for example if foo[,1] ==

Hi I have a little R problem. I have created a GLM model in R and now I want to predict some values outside the values I have in the model (extrapolate). I have this code: fitted.model4 <- glm(Yval ~ time, family=gaussian, data=Fuel) The question is - How do I predict a value of Yval ie with a value of time = 340 and also get confidence/prediction intervals for Yvar? I have tried the

Hi all , I have following script to plot some data. plot( c(1,1100), c(0,15), type='n', xlab='', ylab='', ylim=c(0.1,25) , las=2) axis (1, at = seq(0,1100,50), las =2) axis (2, at = seq(0,25,1), las =2) lines( c(1,304),c(0,0),col='grey', lwd=3 ) lines( c(1,238),c(1,1),col='grey', lwd=3 ) segments(86, 0 ,270,col = "green", pch=23,

Hello all, This is to announce the creation of R-sig-wiki, a new R SIG (Special Interest Group) mailing list dedicated to the elaboration and maintenance of a R Wiki. You can subscribe at: https://stat.ethz.ch/mailman/listinfo/r-sig-wiki. There is currently a prototype for a new R Wiki at http://www.sciviews.org/_rgui/wiki (temporary address). The main idea is to offer a site where users

Hello all, We are pleased to announce the official launch of the R Wiki at http://wiki.r-project.org. Although there are already many sources of R documentation, this R Wiki is a complementary tool, in the sense that "users become R documentation authors", a little bit like "users become developers" for R code.

FWIW, I already include function 'snippets' in the gregmisc package (soon to be a package bundle). I would be happy to do this in a more public fashion. I generally require that the sumitter provide both the R code and a corresponding .Rd file. -Greg > -----Original Message----- > From: r-devel-bounces@stat.math.ethz.ch > [mailto:r-devel-bounces@stat.math.ethz.ch]On Behalf

Hello I am fitting a Cox PH model using the function coxph(). Does anyone know how to obtain the estimate of the covariance matrix under the null hypothesis. The function coxph.detail() does not seem to be useful for this purpose. Thanks, KD. [[alternative HTML version deleted]]

Hi, Since I started to make some 'final' plots of my data I found that I have tons of questions related to 'the little things'. Rather than bother the list with all the questions (ahem), or search the archives for similar questions and translate the context, I would like to find a FAQ for plotting in particular (and R programming in general). I know for sure (searching the

What about "Rtips" at http://lark.cc.ukans.edu/~pauljohn/R/statsRus.html ? Regards, Heinrich. > -----Urspr?ngliche Nachricht----- > Von: rossini at blindglobe.net [mailto:rossini at blindglobe.net] > Gesendet: Mittwoch, 26. Juni 2002 14:48 > An: r.hankin at auckland.ac.nz > Cc: r-help at stat.math.ethz.ch > Betreff: Re: [R] sapply() and Monte Carlo > > >

Hi Ivo: You might check out Paul Jobnson's following page: http://www.ukans.edu/~pauljohn/R/Rtips.html   HTH, Arin On Thu, 08 Jul 2004 ivo_welch-rstat8783@mailblocks.com wrote : > >...I used to use perl for much work, and although there is much to like about it, R seems to be even better for most tasks---except that there is one perl resource that R cannot beat: the Perl Cookbook.

NOTE: I have read the FAQ, Verzani's book, Rtips, and googled. For various reasons I don't want to use a density plot when comparing two distributions, I would prefer to have interleaved histograms over the same ranges. In addition to this, I would also like to normalize the two histograms so that both of their max Y values are the same (so I can compare relative distributions within

Is it possible to give a temporary object a name that varies with each run of a foreloop? For example, I want to fill a matrix every time I run a loop, and I want a new matrix with each run, with an appropriate new name. i.e.: for(i in 1:5){... matrix.i<-some values ...} so that in the end I would have: matrix.1 matrix.2 matrix.3 matrix.4 matrix.5 Thanks, Ben Osborne -- Botany Department