[R] producing a QQ plot.
singularitaet at gmx.net
Sat Mar 27 11:24:24 CET 2010
Am 27.03.2010 10:45, schrieb Philip Wong:
As Joshua already pointed out: you are trying mathematical functions on
names. Your Data containes e.g. Village names.
You can exclude those with subset, generating a new data.frame.
If you want averages by categories e.g. by a village have a look at the
doby package, it has a function summaryby that is perfect for generating
aggregated data with multiple functions.
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