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Hi R friends and users, Just for fun (or concern): I received a R spam mail. Perhaps the first in history... Subject: R Courses and Consulting From: R Training33 <rtrainers33a at gmail.com> > R Courses and Consulting > Dear Sir, > > We are working on our 2010 R training schedule and would like to know > if you are interested in attending R courses this year. >

Hello dear R people, for my MSc thesis I need to program some functions, and some of them simply do not work. In the following example, I made sure both vectors have the same length (10), but R gives me the following error: Error in if (vector1[i] == vector2[j]) { : missing value where TRUE/FALSE needed I googled for possible solutions, but I did not find a good explanation for this...

Hi R users, Is there a Package in R to - set up a questionnaire? - enter data? Best regards -- View this message in context: http://www.nabble.com/A-package-to-set-up-a-questionnaire---enter-data-tp20947237p20947237.html Sent from the R help mailing list archive at Nabble.com.

Hello dear R people! Several times it occurred to me that a function that uses a variable name as a parameter would be helpful, but I did not find out how to write such a function. I have experience in several programming language, but I did not come across a helpful trick... What I want to have is... a <- 12 # starting value add <- function(variable,increment) { variable <-

Hi everybody - this is an oddball question. I wonder if anybody has programmed any games in R, such as Sudoku, Tic-Tac-Toe and the like. Or even a flight simulator... R mateys! Let's make some t-tests! Regards, David

I just received a virus warning from my e-mail provider, GMX. See the attached image below. The virus detection can be spurious - but the e-mail was automatically deleted by GMX. With the best regards, David

Dear R users and R friends, I have a little problem... I don't know anymore which package to use if I want to perform a power regression analysis. To be clear, I want to fit a regression model like this: fit <- ....(y ~ a * x ^ b + c) where a, b and c are coefficients of the model. The R Site does not have the answer I want... Thanks in advance and with kind regards, David

Dear R friends, I want to compare two datasets and I get the message Error in .Call("cpermdist2", ma = as.integer(m), mb = as.integer(col), : negative length vectors are not allowed after specifying the exact test. I'm using the exactRankTests package. Do you suggest me using the coin library, or is there anything "wrong" with my data? Kind regards, David --

Hi, I have a few apps that won't work with samba; when I install the application locally i don't have problems, when I install them on a samba share I get the following error: Unable to register g:\<path to>\ONWDB.dll Other applications do work correct... Any ideas or more info needed? greetz Hans -- Hans Scheffers http://www.jiffie.nl/stamboom/ Croll's

Hi, I?m trying to replace some SAS statistical functions by R (batch calling). But I?ve seen that calling R in a batch mode (under Unix) takes about 2or 3 times more than SAS software. So it?s a great problem of performance for me. Here is an extract of the calculation: stoutput<-file("res_oneWayAnova.dat","w"); cat("Param|F|Prob",file=stoutput,"\n");

Hello R users, I am a bit puzzled by the fact that options(digits=22) x0 <- 69880 y0 <- 26185 x1 <- 69600 y1 <- 22937 number <- paste(x0,y0,x1,y1,sep="") number <- as.numeric(travel) print(number) gives number in scientific notation (some precision is wasted by having a "e+19" at the tail): 6.988026185696e+19 but print(exp(log(number))) gives the

icecast 1.3 had the "nametemplate" option.. is there any way to duplicate this in icecast2? i like to see our custom station info (name/url) along side the artist/title info. -- http://chemlab.org - email shade-pgpkey@chemlab.org for pgp public key chemlab radio! - drop out @ http://mp3.chemlab.org:8000 24-7-365 "i could build anything if i could just find my

easy one.. nametemplate chemlab radio! - %s - http://chemlab.org o if the currently playing track was "underworld - cowgirl" you'd see: chemlab radio! - underworld - cowgirl - http://chemlab.org crolling across your player.... <p>On Sun, 2002-10-06 at 07:48, Michael Smith wrote: > At 07:19 AM 10/6/02 -0400, you wrote: > >icecast 1.3 had the "nametemplate" option.. is there any way to > >duplicate this in icecast2? i like to see our custom station info > >(name...

Hello R users & R friends, I just want to ask you if density() can produce a confidence interval, indicating how "certain" the density() line follows the true frequency distribution based on the sample you feed into density(). I've heard of loess.predict(loess(y ~ x), se=TRUE) which gives you a SE estimate of the smoothed scatterplot - but density() kernel smoothing is not the

Dear R friends, here I write again about the wilcox.exact() problem. I want to compare two sets of categorical data, and in one case it says "negative length vectors not allowed", and in the other one I get the error "cannot allocate vector of length ...". On http://rapidshare.com/files/298621893/wilcox.exact_trouble.Rdata.html you can download the data that cause the

Dear colleagues, I have performed several dozens of glm.nb(response ~ variable) analyses weeks ago, and when I looked through the results today I saw that many of the results have quite different intercept values despite the response part remained the same. I'm quite sure I did same kind of analysis when the intercept values were around consistently around 2.2 and when they were above

Hello, suppose I have a data frame: > mat id age 1 NA NA 2 NA NA 3 NA NA 4 NA NA 5 NA NA Then I attach the data frame: > attach(mat) I assign some new values... > id <<- sample(100,5) > age <<- rnorm(5,mean=30) Then I want to create a new data frame from the variables id and age which still are attached to position 2 of the R environment... > new_mat <-