Error with multigroup SAM

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Gothic Bird

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Mar 18, 2026, 5:59:27 PMMar 18
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Hello

I am running the global variant of multigroup SAM. I could get the results from parameterEstimates fine, but when I extract the results from standardizedSolutions, I get "Error in tmp.jac %*% return.value : non-conformable arguments".
SEs,  p-values, and 95%CIs are all NAs:

printscreen.jpg

This occurs when I use group.equal="loadings", but no issue without group equality constraint. Is it a bug or can I get around this? Thanks so much for your help.

Terrence Jorgensen

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Mar 26, 2026, 5:18:37 AMMar 26
to lavaan
Can you provide a reprex, perhaps using the data from the ?cfa help page? (e.g., add structural regression parameters among the 3 factors, estimate using group="school")
And is this occurring in the latest development version of lavaan?


Terrence D. Jorgensen    (he, him, his)
Assistant Professor, Methods and Statistics
Research Institute for Child Development and Education, the University of Amsterdam
http://www.uva.nl/profile/t.d.jorgensen

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