[R] Partial aggregate on sorted data
Yves Moisan
ymoisan at groupesm.com
Wed Oct 24 21:50:17 CEST 2007
>why not:
>aggregate(myDataframe$TargetValue,list(SomeFactor =
myDataframe$SomeFactor),function(x) mean(x[x>quantile(x,.66)]))
Great stuff. Just what I was looking for ! Thanx a lot !!
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