Hello R-team ~
I ran across an inconsistency about how within( ) handles expressions
like b<-NULL. (I have found within( ) very handy, by the way.) The
problem appears to crop up when you use something like b<-NULL in the
same within() call that creates a new variable in the data frame. An
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Dear R Team,
First, thank you for incredibly useful software!
Now the bad news: The attached script (or the original ve
