[R] Still can't find missing data

Dieter Menne dieter.menne at menne-biomed.de
Wed May 27 11:51:37 CEST 2009

Farley, Robert <FarleyR <at> metro.net> writes:

> What is wrong?  I've looked into the na commands and the ?xtabs entry, but I
haven't found anything that works.

I never understood the logic that exclude=NULL needs na.action in addition.

test <- c(1,2,3,1,2,3,NA,NA,1,2,3) 


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