Re: [R] Factor moderators in metafor

2012-08-09 Thread John Hodgson
388-4170 | http://www.wvbauer.com > > > -Original Message- > > From: [hidden email] > [mailto:[hidden > email] ] > > On Behalf Of John Hodgson > > Sent: Thursday, August 09, 2012 12:56 > > To: [hidden email] > > Subject: [R] Factor moderators

Re: [R] Factor moderators in metafor

2012-08-09 Thread Viechtbauer Wolfgang (STAT)
+31 (43) 388-4170 | http://www.wvbauer.com > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of John Hodgson > Sent: Thursday, August 09, 2012 12:56 > To: r-help@r-project.org > Subject: [R] Factor moderators i

[R] Factor moderators in metafor

2012-08-09 Thread John Hodgson
I'm puzzled by the behaviour of factors in rma models, see example and comments below. I'm sure there's a simple explanation but can't see it... Thanks for any input John Hodgson - code/selected output - library(metafor) ##Set up data