search for: tp4536584p4536584

...course it replaces the second 15 with something else too. If there's a way to exclude anything with a leading decimal point or something like that, that would do the trick. Thanks yall. -- View this message in context: http://r.789695.n4.nabble.com/Help-with-gsub-function-or-a-similar-function-tp4536584p4536584.html Sent from the R help mailing list archive at Nabble.com.

I have data that looks like this: > df1 group id 1 red A 2 red B 3 red C 4 blue D 5 blue E 6 blue F I want a list of the groups containing vectors with the ids. I am avoiding subset(), as it is only recommended for interactive use. Here's what I have so far: df1 <- data.frame(group=c("red", "red", "red", "blue",