--- Begin Message ---Vickie, try something like this# Dummy data lst <- list("This",c("should", "work", "just"),"fine","I","guess...",c(NA,NA)) names(lst) <- letters[seq(1,length(lst))] lst # Arranging for (i in 1:length(lst)) { lst[[i]] <- as.matrix(lst[[i]]) rownames(lst[[i]]) <- rep(names(lst)[i], nrow(lst[[i]])) } dta <- c() for (i in 1:length(lst)) dta <- rbind(dta, as.matrix(lst[[i]])) dta Hope it helps. Cheers, Filipe -----Mensagem original----- De: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Em nome de Vickie S Enviada em: quarta-feira, 20 de julho de 2011 18:04 Para: r-help@r-project.org Assunto: [R] Question about converting list items in matrix Hi friends, I have got a list where each element might have variable number of members. $`4213` [1] "214077_x_at" $`164832` [1] "225996_at" "235977_at" $`339010` [1] NA $`23410` [1] "221562_s_at" "221913_at" "49327_at" $`285386` [1] "229764_at" $`2099` [1] "205225_at" "211233_x_at" "211234_x_at" "211235_s_at" [5] "211627_x_at" "215551_at" "215552_s_at" "217163_at" [9] "217190_x_at" I want to integrate this list in a matrix format like this : 4213 "214077_x_at" 164832 "225996_at" 164832 "235977_at" 339010 NA 23410 "221562_s_at" 23410 "221913_at" 23410 "49327_at" .... Any idea how can I make such type of matrix ? Thanks, Vickie [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
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