search for: listofavar

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2002 Mar 05
1
apply question
Sorry to bother the list with another apply question, but I am having trouble getting my mind around the various apply forms. A simplified version of my problem is the following: data _ data.frame(ct=seq(1,10),a1=rnorm(10),a2=rnorm(10),a3=rnorm(10),b=rnorm(10)) listofAvars _ grep('^a',names(data),value=T) I would like a1, a2, a3 to be multiplied by 10. That is, I would like a cleaner way of specifying the following: a1 <- a1*10 a2 <- a2*10 a3 <- a3*10 As I mentioned, this is a simplified version of a larger variables list and slightly more compli...