Hi: what you want to do is not recommended if you're doing a statistical
computation ( many threads
on this. search the archives if you want more details ) but if you
really want to do that below should work:
mat[is.na(mat)]<-0
On Thu, Mar 5, 2009 at 11:22 PM, Manli Yan wrote:
I have a 50*50 matrix,some entry are NAs,I want to replace these NA by
0,so can I use some syntax to do so other than using ifelse?
I tried to use replace(a,NA,0),it didnt work~~(a is matrix name)
Thanks~
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