Try this > set.seed(42) > Vec1 <- sample(0:1, 15, replace=TRUE) > Vec2 <- sample(0:1, 15, replace=TRUE) > Vec3 <- sample(0:1, 15, replace=TRUE) > paste0(ifelse(Vec1,"A",""), ifelse(Vec2,"B",""), ifelse(Vec3,"C","")) [1] "ABC" "ABC" "" "AC" "AB" "ABC" "A" "B" "ABC" "AC" "B" "A" [13] "AB" "C" "B"
------------------------------------- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77840-4352 -----Original Message----- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Arnaud Michel Sent: Tuesday, June 18, 2013 11:58 AM To: r-help@r-project.org Subject: [R] transform 3 numeric vectors empty of 0/1 Dear all, Without a loop, I would like transform 3 numeric vectors empty of 0/1 of same length Vec1 : transform 1 to A and 0 to "" Vec2 : transform 1 to B and 0 to "" Vec3 : transform 1 to C and 0 to "" to obtain only 1 vector Vec who is the paste of the 3 vectors (Ex : ABC, BC, AC, AB,...) Any idea ? Thank you for your help -- Michel ARNAUD ______________________________________________ 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. ______________________________________________ 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.
