for each of
their crops within the same season, so I think
mean-imputation is reasonably safe. I have downloaded
Hmisc, though, and will have a close look.
Jan Smit
--- Frank E Harrell Jr [EMAIL PROTECTED]
wrote:
Dimitris Rizopoulos wrote:
Hi Jan,
you could try the following:
dat
) the
values I want to impute. What I've not been able to
figure out, by looking at by and the various
incarnations of apply, is how to do the actual
substitution.
Any help would be much appreciated.
Jan Smit
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