On 20-02-2012, at 14:15, jing tang wrote: > Hi, > > I need some neat ways of determing a subset of binary strings. For example, > x=c(0,0,1), y=c(0,1,1), z=c(0,1,0). So x is a subset of y and z is also a > subset of y, but x is not a subset of z. > > I tried to search R functions and packages but no hits. Any ideas?
x <- c(0,0,1) y <- c(0,1,1) z <- c(0,1,0) any(x & y) any(z & y) any(x & z) Berend ______________________________________________ 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.