Hi,
I have newbie question. Suppose I have the following data:
temp <- data.frame(type1 = c("male", "female", "male", "female", "female"),
type2 = c("low", "med", "high", "low", "med"), a = c(1,2,4, NA, 3), b =
.... [TRUNCATED]
temp
type1 type2 a b c
1 male low 1 5 0
2 female med 2 NA 0
3 male high 4 5 1
4 female low NA 1 1
5 female med 3 2 NA
how to change all NA into 0 (zero) ? so I would have the following:
temp
type1 type2 a b c
1 male low 1 5 0
2 female med 2 0 0
3 male high 4 5 1
4 female low 0 1 1
5 female med 3 2 0
I've been trying with which() but without success.
Any pointer is appreciated.
Thank you,
Ferry
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