On Tuesday 19 October 2010, Phil Spector wrote: > I always find R useful to solve problems like this: > > dummy = as.numeric(cleary$D1 %in% c(4,6,7))
Indeed, and this works too: dummy <- 1*(cleary$D1 %in% c(4,6,7)) Adrian -- Adrian Dusa Romanian Social Data Archive 1, Schitu Magureanu Bd. 050025 Bucharest sector 5 Romania Tel.:+40 21 3126618 \ +40 21 3120210 / int.101 Fax: +40 21 3158391 ______________________________________________ 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.