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tp4645917p4645949
2012 Oct 11
4
Changing NA to 0 in selected columns of a dataframe
I've been beating my head on the table for hours now and don't understand why
this doesn't work. I have a dataframe that I want to change NAs to 0 for
some of the columns and not others. Consider this...
>#create dataframe
> A = c(1:5)
> B = c(6, 7, NA, NA, NA)
> C = c(NA, NA, 13, 14, 15)
> D = c(16:20)
> E = c(21, NA, NA, NA, 25)
> data = as.data.frame ( cbind (