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Dear RSiena Users<br><br>I try to perform a meta-analysis with siena08 as for instance in <br><pre>RscriptMultipleGroups.R<br><br># Combine the three projects.
meta.146 <- siena08(model1.1, model4.1, model6.1,
projname = "meta146")<br><br><font style="" face="Tahoma">I get the message (in my project): </font><br><br>Error in optimize(function(mu) profdev.mu(mu, x, se)$objective, range(x)) : <br> "'<em>xmin</em>' not <em>less than</em> '<em>xmax</em>'"<br><br><font style="font-size: 10pt;" size="2" face="Tahoma">However, once I exclude covariates (I have only constant covariates/two waves per project) and dependent </font><font style="font-size: 10pt;" size="2" face="Tahoma"><br></font><font style="font-size: 10pt;" size="2" face="Tahoma">(behavior) variables siena08 works. I.e., once I only focus on network dynamics</font><font style="font-size: 10pt;" size="2" face="Tahoma"><br></font><font style="font-size: 10pt;" size="2" face="Tahoma">in the projects to be combined with siena08, the combination works. </font><font style="font-size: 10pt;" size="2" face="Tahoma"><br></font><font style="font-size: 10pt;" size="2" face="Tahoma"><br></font><font style="font-size: 10pt;" size="2" face="Tahoma">I have missing values in the behavior data as well as</font><font style="font-size: 10pt;" size="2" face="Tahoma"><br></font><font style="font-size: 10pt;" size="2" face="Tahoma">in the covariates; does this have an influence?</font><font style="font-size: 10pt;" size="2"><br><br><font style="" face="Tahoma">Thank you for your help.</font><font style="" face="Tahoma"><br></font><font style="" face="Tahoma"><br></font><font style="" face="Tahoma">Best,</font><font style="" face="Tahoma"><br></font><font style="" face="Tahoma">Philippe</font><font style="" face="Tahoma"><br></font><br><br></font><br></pre>                                            </div></body>
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