Am 16.04.2018 um 18:33 schrieb Allin Cottrell:
I think it would be more intuitive if the option took the form of a
request for action rather than for inaction. So that a nonzero second
argument would mean, "please demean X first" rather than "hey, X is
already demeaned".
Yes, why not.
And your take on the default? Action or no action? I tend to think that
for generic (multiple) variables there's no reason to expect they're
demeaned already (thus default "yes do demean them first"), but I'm not
sure.
-sven