[GenABEL-dev] descriptives.trait Patch
yurii.aulchenko at gmail.com
Thu Mar 31 13:56:08 CEST 2011
> I was looking at the documentation changes you made, and I just wanted to
> point out that another version of the command is:
> descriptives.trait(srdta, by.var=~sex)
> whithout "".
I have noticed that type of passing an argument in your test-code, but
thought of dropping this as I have no idea what this means. Looking
for help("~") returned explanation for "~" as a part of formula.
Do you know what this actually means and how it works?
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