Re: [R] Metafor SMCR Pre-Post Effect sizes

2013-03-04 Thread Viechtbauer Wolfgang (STAT)
, The Netherlands +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 Markus Kösters Sent: Saturday, March 02, 2013 23:31 To: R-help@r-project.org Subject: [R] Metafor SMCR Pre-Post Effect sizes

Re: [R] Metafor SMCR Pre-Post Effect sizes

2013-03-04 Thread Markus Kösters
-project.org Betreff: RE: [R] Metafor SMCR Pre-Post Effect sizes Absolutely correct. The documentation wasn't clear on that. Changed for the next version of the package. And the escalc() function now no longer checks for sd2i, since it is not needed anyway (for SMCR). For now, you will just have to set

[R] Metafor SMCR Pre-Post Effect sizes

2013-03-02 Thread Markus Kösters
Dear all, I am very grateful that Wolfgang Viechtbauer implemented the standardised mean change for dependent groups. I was playing around a bit today, and I am not sure if I understand the SMCR procedure correctly. The documentation states that sd1i and sd2i are needed, but it seems to me