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Dear R-users, i have two questions : 1- first of all, i wish to know the way to obtain a serie with a format like "00" : ( "01","02","03","04"....) or like postal code ("01100","02222"). for instance, i do : > format(strptime(as.character(c(1:4)),"%H"),"%H") but it sounds complicate and not really

Hello, with a data.frame like this : > toto <- data.frame(id=c("id1","id1","id2","id3","id3","id3"),dpt=c("13","13","34","30","30","30")) > toto id dpt 1 id1 13 2 id1 13 3 id2 34 4 id3 30 5 id3 30 6 id3 30 what is the most efficient ways to obtain : id

Hi, i have two data.frame x and y like : > x <- data.frame( num = c(1:10), value = runif(10) ) > y <- data.frame( num = c(6:10), value = runif(5) ) and i want to obtain something like : num.x value.x num.y value.y 1 0.38423828 NA 0.2911089 2 0.17402507 NA 0.8455208 3 0.54443465 NA 0.8782199 4 0.04540406 NA 0.3202252 5 0.46052426

Hi, how can i write this simple sentence : "Hello world" with "Hello" only in bold ? I try > plot(1:5) > title(main=paste(expression(bold("Hello")),"world",sep=" ")) but the result is wrong. thanks, Bruno Si vous n'etes pas destinataires de ce message, merci d'avertir l'expediteur de l'erreur de distribution et de le

Hi, The function Repmat under S allows to represent a matrix of data. Is there an equivalent function under R ? thanks for your reply Bruno -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not