Dear GenomicSEM development team, hello: I have run multiple times on the same machine and version of R/GenomicSEM/lava The results obtained from the second-order two factor model of usermodel (DWLS) are significantly inconsistent, including the coef

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Goodluck li

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Nov 5, 2025, 3:26:19 AMNov 5
to Genomic SEM Users
Dear GenomicSEM development team, hello:
I have run multiple times on the same machine and version of R/GenomicSEM/lava
The results obtained from the second-order two factor model of usermodel (DWLS) are significantly inconsistent, including the coefficients
Unstand_S shows NaN/0, STD_Genotype_S shows 0/NaN, and there are slight differences in fitting metrics.
The data and script remain unchanged.
The data of chisq df p-uchisq AIC CFI SRMR are fixed, and STD_All is also fixed. However, there are significant differences in p-value and STD_Genotype_S between different versions. Perhaps 2.59e-20 has changed to 2.59e-02. Moreover, in some versions, p-value and STD_Genotype_SE can be calculated. And others display NA or<e300. or even blank.
Thank you.

Elliot Tucker-Drob

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Nov 5, 2025, 7:58:14 AMNov 5
to Goodluck li, Genomic SEM Users
I suspect that you may have specified an unstable or unidentified model and/or input an ill-conditioned LDSC S matrix. I wouldn’t be able to give any more insight without further information. 

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Goodluck li

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Nov 8, 2025, 7:04:46 PM (14 days ago) Nov 8
to Genomic SEM Users
Thank you
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