Ultimately, I would like for this to be 1 conponent in a larger function
that will produce PROC CONTENTS style output. Something like...

data1.contents<-data.frame(Variable=names(data1),
 Class=sapply(data1,class),
 n.valid=sapply(data1,sum(!is.na)),
 n.miss=sapply(data1,sum(is.na)))
data1.contents

Also meant to mention to see ?describe in the Hmisc package:

E.g.,

> describe(c(NA, 1:10))

There is also a useful method for data.frame objects.

--Erik

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