Hello, I have a data frame like this:
> head(b) FID IID FLASER PLASER 1: fam1000 G1000 1 1 2: fam1001 G1001 1 1 3: fam1003 G1003 1 2 4: fam1005 G1005 1 1 5: fam1009 G1009 NA 2 6: fam1052 G1052 1 1 ... > unique(b$PLASER) [1] 1 2 NA > unique(b$FLASER) [1] 1 2 NA how can I do if else statement so that I am creating a PHENO =2 if b$FLASER=2 or b$PLASER=2 PHENO=1 if b$FLASER=1 and b$PLASER=1 otherwise PHENO=NA I tried this but I am not sure if this is correct: b$pheno=ifelse(b$PLASER==1 & b$FLASER==1,1,ifelse(b$PLASER==2 | b$FLASER==2,2,NA)) Thanks Ana [[alternative HTML version deleted]] ______________________________________________ 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.