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jepusto / lmeInfo

Information matrices for fitted nlme::lme and nlme::gls models
https://jepusto.github.io/lmeInfo/
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Add methods for observed information matrices #25

Open jepusto opened 4 years ago

jepusto commented 4 years ago

This will require calculating 2nd derivatives of error variance-covariance components.

wviechtb commented 1 year ago

I take it that this isn't available yet? At least, trying to set type="observed" leads to the error object 'info' not found (in the just released version 0.3.0). Might be nice to add a note about this in the docs.

jepusto commented 1 year ago

Correct, it's not yet implemented. It will take some further work because the observed information requires second derivatives of the variance-covariance matrix (expected and average information don't). We can add a note in the docs and error checking in the function to make clear which are supported.

On Tue, Oct 25, 2022 at 4:18 AM Wolfgang Viechtbauer < @.***> wrote:

I take it that this isn't available yet? At least, trying to set type="observed" leads to the error object 'info' not found (in the just released version 0.3.0). Might be nice to add a note about this in the docs.

— Reply to this email directly, view it on GitHub https://github.com/jepusto/lmeInfo/issues/25#issuecomment-1290245590, or unsubscribe https://github.com/notifications/unsubscribe-auth/ABCVGIRMTUOUI67DJVBAHQLWE6QYDANCNFSM4LZSWTPQ . You are receiving this because you authored the thread.Message ID: @.***>

wviechtb commented 1 year ago

A note would be useful. I played around with it for a while (thinking that maybe it was the particular model I was working with where it didn't work) and was headed here to make a bug report when I saw this issue.