[R] how to omit NA without using ifelse

bartjoosen bartjoosen at hotmail.com
Fri Mar 6 13:06:26 CET 2009


?is.na



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~
> 
> 	[[alternative HTML version deleted]]
> 
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