Dear Dr. Viechtbauer:
Thanks so much! Now all these issues are clear.
With best regards.
Qiang Yue
From: Viechtbauer Wolfgang (STAT)
Date: 2013-05-23 05:06
To: qiangmoon; r-help
Subject: RE: RE: [R] using metafor for meta-analysis of before-after studies
(escalc, SMCC)
The mean
qiangm...@gmail.com]
> Sent: Wednesday, May 22, 2013 20:38
> To: Viechtbauer Wolfgang (STAT); r-help
> Subject: Re: RE: [R] using metafor for meta-analysis of before-after
> studies (escalc, SMCC)
>
> Dear Dr. Viechtbauer:
>
> Thank you very much for sparing your precious t
), we can not use the percentage change
to calculate SMCC, but have to get the raw change first?
With best wishes.
Qiang Yue
From: Viechtbauer Wolfgang (STAT)
Date: 2013-05-21 10:09
To: Moon Qiang; r-help
Subject: RE: [R] using metafor for meta-analysis of before-after studies
(escalc, SMCC
Please see my answers below.
Best,
Wolfgang
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
> On Behalf Of Moon Qiang
> Sent: Thursday, May 16, 2013 19:12
> To: r-help
> Subject: [R] using metafor for meta-analysis of before-after studies
>
CC: r-help
Subject: Re: Re: [R] using metafor for meta-analysis of before-after studies
At 16:50 27/04/2013, Qiang Yue wrote:
>
>Hello, Michael.
>
>Thanks for your kind and rapid reply, and sorry
>for the inconvenience of characters.
>
>Yes, the primary studies repor
t;r-help
Subject: Re: [R] using metafor for meta-analysis of before-after studies
At 03:27 27/04/2013, Qiang Yue wrote:
>Hello, Dr. Viechtbauer.
>
>I am trying to perform a meta-analyis on a group
>of before-after studies using Metafor. I read
>your webpage including your correspondence
regards.
Qiang Yue
From: Michael Dewey
Date: 2013-04-27 07:28
To: qiangmoon; wvb
CC: r-help
Subject: Re: [R] using metafor for meta-analysis of before-after studies
At 03:27 27/04/2013, Qiang Yue wrote:
>Hello, Dr. Viechtbauer.
>
>I am trying to perform a meta-analyis on a group
>of
At 03:27 27/04/2013, Qiang Yue wrote:
Hello, Dr. Viechtbauer.
I am trying to perform a meta-analyis on a group
of before-after studies using Metafor. I read
your webpage including your correspondence with
Dr. Dewey
(https://stat.ethz.ch/pipermail/r-help/2012-April/308946.html),
who also con
Hello, Dr. Viechtbauer.
I am trying to perform a meta-analyis on a group of before-after studies using
Metafor. I read your webpage including your correspondence with Dr. Dewey
(https://stat.ethz.ch/pipermail/r-help/2012-April/308946.html), who also
conducted a similar study. These information
-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
> > On Behalf Of Michael Dewey
> > Sent: Thursday, April 05, 2012 13:04
> > To: mp.sylves...@gmail.com; r-help@r-project.org
> > Subject: Re: [R] using metafor for meta-analysis of before-after studies
>
Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
> On Behalf Of Michael Dewey
> Sent: Thursday, April 05, 2012 13:04
> To: mp.sylves...@gmail.com; r-help@r-project.org
> Subject: Re: [R] using metafor for meta-analysis of before-after s
At 18:39 04/04/2012, mp.sylves...@gmail.com wrote:
Greetings,
I wish to conduct a meta-analysis for which the outcome is a continuous
variable measured on the same individuals before and after an intervention.
Hence, the comparison is not made between two groups, but within groups, at
diffrent ti
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