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test2
2009 Jul 14
2
averaging two matrices whilst ignoring missing values
...erage these matrices, but the NAs are preventing me. I get a "non-numeric argument to binary operator" error. That's the first problem.
test<-read.csv("test.csv",header=FALSE)
test2<-read.csv("test2.csv",header=FALSE)
test_ <- as.matrix(test,na.rm=T)
test2_ <- as.matrix(test2,na.rm=T)
testave<- (test_+test2_)/2
??
So off the bat I'm doing something wrong.
How would I replace the missing values in one matrix with the corresponding non-missing values in another? It's acceptable to me if I only have one value representing the ave...