[R] Replecing empty values with a letter (continuation)

[Judith Flores]

Sorry, I hit the send botton by accident. Here is my
code so far:

dat<-read.csv('myfile.csv', na.strings="")
dat[is.na(dat]<-'N'

   But it doesn't replace the <NA> for the letter 'N'.


     I am using R v 2/7/0, running it under Windows
XP.

Thank you,

Judith


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