Thanks Uwe, The list elements was a mistake on my part, i just wanted everything before the : to be the name of the element. Thanks for the help, i can play around with this to get what i want.
M 2011/6/23 Uwe Ligges <lig...@statistik.tu-dortmund.de> > > > On 23.06.2011 16:39, Michael Pearmain wrote: > >> Hi All, >> >> I've been given a data file of the form: >> 1: 3,4,5,6 >> 2:1,2,3 >> 43: 5,7,8,9,5 >> >> and i want to read this data in as a list to create the form: >> (guessing final look) >> my.list >> [[1]] >> [1] 3 4 5 6 >> >> [[2]] >> [1] 1 2 3 >> >> [[43]] >> [1] 5 7 8 9 5 >> >> I can get to a stage using scan: >> scan("my.data", what = character(0), quiet = TRUE) >> to load >> [1] "1: 3,4,5,6" >> [2] "2:1,2,3" >> [3] "43: 5,7,8,9,5" >> > > > I don't understand why you want 40 empty list elements, but here is what > you asked for (not optimized, just hacked in few seconds): > > temp <- strsplit(d, ":") > num <- as.numeric(sapply(temp, "[[", 1)) > L <- vector(mode = "list", length = max(num)) > for(i in seq_along(temp)){ > L[[num[i]]] <- as.numeric(unlist(strsplit(**temp[[i]][2], ","))) > } > L > > Uwe Ligges > > > > but im not sure on how next to proceed to arrange this into a list form, >> can >> anyone offer some advise? >> >> Thanks in advance >> >> Mike >> >> [[alternative HTML version deleted]] >> >> ______________________________**________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help> >> PLEASE do read the posting guide http://www.R-project.org/** >> posting-guide.html <http://www.R-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> > [[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.