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<p>Dear Antonello,</p>
<p>You hit a bug in an internal function of <b>meta</b>: subgroup
sample sizes were set to NA for objects generated with metagen().</p>
<p>I fixed this bug in the GitHub version of <b>meta</b> (see
<a class="moz-txt-link-freetext" href="https://github.com/guido-s/meta">https://github.com/guido-s/meta</a>).</p>
You can install this version using the following commands:<br>
install.packages("devtools")<br>
devtools::install_github("guido-s/meta")<br>
<p>Furthermore, I slightly modified your R code (see attachment).
Specifically, you can use arguments 'n.e' and 'n.c' in metagen()
to provide sample sizes.</p>
<p>Best wishes, Guido</p>
<blockquote type="cite"
cite="mid:CAPmpGDumYv57Q8j1+RC6esikgvmvxYEj-uFrE5wuKEQjvHXvTw@mail.gmail.com"></blockquote>
<pre class="moz-signature" cols="72">--
Dr. Guido Schwarzer
Institute of Medical Biometry and Statistics,
Faculty of Medicine and Medical Center - University of Freiburg
Postal address: Stefan-Meier-Str. 26, D-79104 Freiburg
Phone: +49/761/203-6668
Mail: <a class="moz-txt-link-abbreviated" href="mailto:sc@imbi.uni-freiburg.de">sc@imbi.uni-freiburg.de</a>
Homepage: <a class="moz-txt-link-freetext" href="http://www.imbi.uni-freiburg.de">http://www.imbi.uni-freiburg.de</a>
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