Dear Bill - Thank you very much! This works perfectly! Apologies to all those who could not visualize the formatting of the request, I should default to plain text mail.
Thank you all once again, once again, I am very grateful to the R-help forum for being just wonderful! Min-Han On Thu, May 6, 2010 at 3:38 PM, William Dunlap <wdun...@tibco.com> wrote: > > > Bill Dunlap > Spotfire, TIBCO Software > wdunlap tibco.com > > > -----Original Message----- > > From: r-help-boun...@r-project.org > > [mailto:r-help-boun...@r-project.org] On Behalf Of Min-Han Tan > > Sent: Thursday, May 06, 2010 12:28 PM > > To: r-h...@stat.math.ethz.ch > > Subject: [R] Apologies : question on transforming a table > > > > Dear R-help list, > > > > Apologies. I am trying to convert one table to another. It > > feels that it > > should be a very straightforward answer with a single (or > > two) commands with > > the right extensions, but I really can't figure this out > > right now. I have > > several hundred pheno factors actually, so manually doing > > this line by line > > is not an option. > > > > My original table is approximately like this : > > > > ID pheno > > 1 A Breast Cancer > > 2 A Appendicitis > > 3 A Microcephaly > > 4 B Polyps > > 5 B Autism > > 6 C Autism > > 7 D Breast Cancer > > 8 D Polyps > > 9 D Appendicitis > > 10 E Breast Cancer > > > > > > What I want is this : > > ID Breast Cancer Appendicitis Microcephaly Polyps Autism > > A 1 1 1 B 1 > > 1 C 1 D 1 1 E 1 > > My mailer messed up your display, but does > table() work for you? E.g., > > with(data, table(ID, pheno)) > pheno > ID Appendicitis Autism Breast Cancer Microcephaly Polyps > A 1 0 1 1 0 > B 0 1 0 0 1 > C 0 1 0 0 0 > D 1 0 1 0 1 > E 0 0 1 0 0 > > Bill Dunlap > Spotfire, TIBCO Software > wdunlap tibco.com > > > > > The data is here > > data <- > > data.frame(ID=c(rep("A",3),rep("B",2),rep("C",1),rep("D",3),re > > p("E",1)), > > pheno=c("Breast > > Cancer","Appendicitis","Microcephaly","Polyps","Autism","Autis > > m","Breast > > Cancer","Polyps","Appendicitis","Breast Cancer")) > > > > Thank you very much! Many apologies. > > > > Min-Han > > > > [[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. > > > [[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.