Convert to strings and use grep functions. using c for variable is a bad idea.
a <- paste(a, collapse="") b <- paste(b, collapse="") d <- paste(d, collapse="") grepl(b,a) grepl(d,a) Nikhil Kaza Asst. Professor, City and Regional Planning University of North Carolina nikhil.l...@gmail.com On Sep 21, 2010, at 6:31 AM, Lorenzo Isella wrote:
a<-c(1,4,3,0,4,5,6,9,3,4) b<-c(0,4,5) c<-c(5,4,0)
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