[R] Odp: Delete missing value rows from a matrix

Petr PIKAL petr.pikal at precheza.cz
Wed Feb 3 17:26:25 CET 2010


Hi


r-help-bounces at r-project.org napsal dne 03.02.2010 16:53:20:

> 
> Hi everyone, 
> I have a matrix with many Na's. Some rows contain some Na's and some 
others
> are entirely composed of Na's. I want to delete the rows that are 
entirely
> composed of Na's but not the other ones so I can't use a simple 
removeNA.
> Has any one an idea?

Untested

data[rowSums(is.na(data))<ncol(data),]

Regards
Petr


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