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2011 Nov 23
1
character substitution within a variable name
Hi, I'd like to create a function that accepts as arguments a string that is to be substituted within a variable name. For instance, suppose I have a data frame df: df<-data.frame(x_narrow=c(rnorm(100,0,1)),x_wide=c(rnorm(100,0,10))) What I have in mind is something like: f <- function(string){ var = paste("x_",string,sep = "") df$var } which does not work. Any suggestion for modifications? Thanks in advance, Matteo -- View this message in context: http://r.789695.n4.nabble.com/cha...