[R] missing value
Mauricio Cardeal
mcardeal at ufba.br
Wed Aug 2 14:55:41 CEST 2006
Hi all
# I have this data set and how can I assign NA´s in just one command ?
And why the summary(dat) function preserves the value 9 as real. ?
x <- c(1,2,3,9,4)
y <- c(3,6,9,2,3)
z <- c(9,9,2,2,8)
w <- c(6,5,3,0,9)
dat <- cbind(x,y,z,w)
summary(dat)
x[x==9] <- NA
y[y==9] <- NA
z[z==9] <- NA
w[w==9] <- NA
summary(dat)
summary(x)
summary(y)
summary(z)
summary(w)
Thank you all,
Mauricio
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