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avgage
2010 Sep 09
1
Strange output daply with empty strata
Dear list,
I get some strange results with daply from the plyr package. In the
example below, the average age per municipality for employed en
unemployed is calculated. If I do this using tapply (see code below) I
get the following result:
no yes
A NA 36.94931
B 51.22505 34.24887
C 48.05759 51.00198
If I do this using daply:
municipality no yes