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res3
2010 Jun 03
4
data-management: Rowwise NA
Dear R´ers..
In this mock dataset how can I generate a logical variable based on whether just tes or tes3 are NA in each row??
test<-sample(c("A",NA,"B"),100,replace=T)
test2<-sample(c("A",NA,"B"),100,replace=T)
test3<-sample(c("A",NA,"B"),100,replace=T)
tes<-cbind(test,test2,test3)
sam<-c("test","test3")...