Re: [R] Recoding observations in all columns of a data frame.

Dear CH, Try example[example == 999] <- NA example HTH, Jorge On Wed, Aug 31, 2011 at 4:48 AM, C.H. <> wrote: > Dear all, > > Suppose I have a data frame like this: > > [code] > var1 <- c(1,999,2) > var2 <- c(999,1,2) > var3 <- c(1,2,999) > example <- data.frame(var1,var2,var3) > [/code] > >

[R] Recoding observations in all columns of a data frame.

Dear all, Suppose I have a data frame like this: [code] var1 <- c(1,999,2) var2 <- c(999,1,2) var3 <- c(1,2,999) example <- data.frame(var1,var2,var3) [/code] I want to replace all 999 to NA in all observations in all columns. I know how to do it in each individual column. [code] example$var1[e