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I want to create a list based on the information from a data.frame, Model. So I tried the following: MyList <- list(colnames(Model)[2] = levels(Model$(colnames(Model)[2]))) but it failed with an error: Error: unexpected '=' in "list(colnames(Model)[2] =" I have the following problems with this command line: (1) I wanted to use colnames(Model)[2] as a tag for the list:

Hi all, I am not a skillful R programmer and has I am handling with large dataframes (about 30000 x 300) I am in need of an efficient function. I have 4 dataframes with the same dimension. I need to generate other dataframe with the some dimension than the others where in each position it has the median value of the 4 values in the same position coming from the 4 dataframes. Grateful by your

...several functions of the geoR package where a much less elegant solution was being used. I guess other packages could use it as well. Therefore, would be an idea to move trySilent() to `base' ? Cheers P.J. -- Paulo Justiniano Ribeiro Jr Departamento de Estatística Universidade Federal do Paraná Caixa Postal 19.081 CEP 81.531-990 Curitiba, PR - Brasil Tel: (+55) 41 361 3471 Fax: (+55) 41 361 3141 e-mail: Paulo.Ribeiro@est.ufpr.br http://www.est.ufpr.br/~paulojus (portugues) http://www.maths.lancs.ac.uk/~ribeiro (english)

...hat... So... Any one knows how to move the labels, keeping the vectors position on a cca-like biplot? Thanks for your attention! ___________________________________ MSc. Rodrigo Aluizio Centro de Estudos do Mar/UFPR Laboratório de Micropaleontologia Avenida Beira Mar s/n - CEP 83255-000 Pontal do Paraná - PR - BRASIL [[alternative HTML version deleted]]

Hi everybody, I have the following problem. I have a vector containing character elements, such as: list = c("aa","bb","cc","dd","ee") I want to create an index which identifies the elements that are different from, e.g. "aa" and "bb". When I do the following: jj = list!="aa" & list!="bb" > jj

...ow to import it (as polygons probably). Thanks in advance. ------------------------------------------------------------- MSc. <mailto:r.aluizio@gmail.com> Rodrigo Aluizio Centro de Estudos do Mar/UFPR Laboratório de Micropaleontologia Avenida Beira Mar s/n - CEP 83255-000 Pontal do Paraná - PR - Brasil [[alternative HTML version deleted]]

Hi list I loaded the content of a file dureetasks.txt to variable a. This file contains an interger per line. when I print a vector, it displays correctly. however, when I try to print the histogram, I get this error message > a=read.table("dureetasks.txt") > hist(a) Error in hist.default(a) : 'x' must be numeric Can you help please? regards -- PhD candidate in

...,beside=T,main='Main Species',xlab='%',las=1, legend.text=T,width=5,cex.names=0.8) Thank you for your attenction. ___________________________________ MSc. Rodrigo Aluizio Centro de Estudos do Mar/UFPR Laboratório de Micropaleontologia Avenida Beira Mar s/n - CEP 83255-000 Pontal do Paraná - PR - BRASIL [[alternative HTML version deleted]]

Dear group, Here is my data frame: > dput(u) structure(list(DESCRIPTION = structure(c(2L, 5L, 6L, 7L, 9L, 11L, 12L, 15L, 14L, 16L, 1L, 10L, 3L, 4L, 13L, 8L, 17L), .Label = c("COFFEE C Jul/10", "COPPER May/10", "CORN Jul/10", "CORN May/10", "COTTON NO.2 Jul/10", "CRUDE OIL miNY May/10", "GOLD Jun/10", "HENRY HUB

Hi, Is there a way in R to get the string which matches the expression, where the expression is a substring of the parent string. Lets say, I have $i <- "transcript:ENST0000112334 pid:ENSP000012345" What I need is the string "pid:ENSP000012345" from $i using the query "ENSP". Appreciate your comments. Praveen Surendran School of Medicine and

Hi, Is there are function similar to excel vlookup in R. Please let me know. Thanks, Sachin ____________________________________________________________________________________ [[alternative HTML version deleted]]

I'm importing a lot of text tables of data (from Latent Gold) that includes hashes in some of the column names ("Cluster#1", "Cluster#2", etc.). Is there an easy way to strip the offending hashes out before pushing the text into a table or data frame? I thought I'd use gsub, e.g., but can't figure out how to read in a text file without reading it into a table or

...to enumerate group memberships. I tried to read the source code and got nothing interesting to solve this. Any idea on why is this happening and how to avoid that? Thanks in advance -- Att. Marino Divisão de Suporte Técnico Departamento de Tecnologia da Informação Ministério Público do Estado do Paraná

Dear list Is there any way that I can color the background (not the plotted points) of each box in "pairs" ? I'd like to color them according to the correlation coefficiency of each data pair. thanks. N

I'd like to replace a value in a data frame with an NA, but can't figure out how. For example, say you have a<-c(1,2,3,4) b<-c(5,6,7,8) data<-data.frame(a,b) Now, how would you set the third row of the second column ( data [[3,2]] ) to NA? I have tried all types of permutations with is.na, including is.na<- data[[3,2]], which does not work. Thanks

Hello, It is possible to return the path of the current working R-file (in execution)? Thanks, Rita Sousa. [[alternative HTML version deleted]]

Hi, Please correct me if this request does not belong to this discussion forum. Kindly suggest me if there is a way to create a new folder from R on runtime? for e.g. >From one of my R script I want to store the PDF result file in a perticular folder let say c:\tt for that initially i am creating "tt" folder manually and using the following command: fname <-

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Hello, I would like to add to axis labels special caracters. Instead of writing :plot(simul, xlab="beta", ylab="sigma11") It would be great if I could write something as in LaTeX :plot(simul, xlab="\beta", ylab="\sigma_{11}") Is there a way to do that ? Thank you _________________________________________________________________ ues clics pour retrouver tout

hi, in using glm function is it possible to extract residuals and predict values ? ___________________________________________________________________________ [[alternative HTML version deleted]]