I found this helpful. However - the second to forth columns come out all zero - was this the intention?
That is: X0001 0 0 0 2 1 BYX859 X0001 0 0 0 1 1 BYX894 X0001 0 0 0 2 2 BYX862 X0001 0 0 0 2 2 BYX863 X0001 0 0 0 2 2 BYX864 X0001 0 0 0 2 2 BYX865 On Fri, May 29, 2015 at 1:31 PM, William Dunlap <wdun...@tibco.com> wrote: > match() will do what you want. E.g., run your data through > the following function. > > f <- function (data) > { > uniqStrings <- unique(c(data[, 2], data[, 3], data[, 4])) > uniqStrings <- setdiff(uniqStrings, "0") > for (j in 2:4) { > data[[j]] <- match(data[[j]], uniqStrings, nomatch = 0L) > } > data > } > > > > Bill Dunlap > TIBCO Software > wdunlap tibco.com > > On Fri, May 29, 2015 at 9:58 AM, Kate Ignatius <kate.ignat...@gmail.com> > wrote: >> >> I have a pedigree file as so: >> >> X0001 BYX859 0 0 2 1 BYX859 >> X0001 BYX894 0 0 1 1 BYX894 >> X0001 BYX862 BYX894 BYX859 2 2 BYX862 >> X0001 BYX863 BYX894 BYX859 2 2 BYX863 >> X0001 BYX864 BYX894 BYX859 2 2 BYX864 >> X0001 BYX865 BYX894 BYX859 2 2 BYX865 >> >> And I was hoping to change all unique string values to numbers. >> >> That is: >> >> BYX859 = 1 >> BYX894 = 2 >> BYX862 = 3 >> BYX863 = 4 >> BYX864 = 5 >> BYX865 = 6 >> >> But only in columns 2 - 4. Essentially I would like the data to look like >> this: >> >> X0001 1 0 0 2 1 BYX859 >> X0001 2 0 0 1 1 BYX894 >> X0001 3 2 1 2 2 BYX862 >> X0001 4 2 1 2 2 BYX863 >> X0001 5 2 1 2 2 BYX864 >> X0001 6 2 1 2 2 BYX865 >> >> Is this possible with factors? >> >> Thanks! >> >> K. >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> 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. > > ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.