P-value of 0 in SEM. Good or bad?
P-value of 0 reported for a coefficient(s) in SEM:
does that mean the p-value was so small that JASP rounded it down to 0?
Or should I be concerned about something?
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It should be a rounded value. But it is strange to see it reported that way -- you could point this out on our GitHub page (for details see https://jasp-stats.org/2018/03/29/request-feature-report-bug-jasp/)
EJ
Thank you EJ.
Do you know the smallest reportable p-value in JASP SEM? (anything smaller gets rounded down to 0).
Maybe it is a lavaan issue. I am not sure -- if you create a GitHub issue we will look into it
E.J.
I think this is the reason:
JASP employs the lavaan R package to perform SEM and, given the R program’s default double-precision floating-point arithmetic, its smallest reportable p-value is 2.22e-16. JASP and/or R is rounding down values smaller than that to 0.