Re: [R] aggregate.formula: formula from string

2012-10-31 Thread arun
help Sent: Wednesday, October 31, 2012 8:30 AM Subject: RE: [R] aggregate.formula: formula from string Dear Arun, Thanks for your suggestion, that does the trick. Just because I'm curious, where does the problem come from? I figured that wrapping the formula object in brackets wou

Re: [R] aggregate.formula: formula from string

2012-10-31 Thread Thaler,Thorn,LAUSANNE,Applied Mathematics
s the root cause? Thanks for your help! KR, -Thorn > -Original Message- > From: arun [mailto:smartpink...@yahoo.com] > Sent: Mittwoch, 31. Oktober 2012 13:15 > To: Thaler,Thorn,LAUSANNE,Applied Mathematics > Cc: R help > Subject: Re: [R] aggregate.formula: formula fro

Re: [R] aggregate.formula: formula from string

2012-10-31 Thread arun
Hi, Try this: res<- aggregate(eval(mF),d,mean) res #  a b  NA  NA #1 1 A -1.48354978 -0.37141485 #2 2 A -0.08862713  0.35359250 #3 3 A  1.17519518 -0.47595290 #4 1 B  0.10214686 -0.70005131 #5 2 B  0.41185154  0.03707291 #6 3 B  0.20507062 -0.67946389 res1<-aggregate(cbind(y, z)