Add group-level weights argument `pw` to `gr()` and `mm()`, for #1719#1727

Merged

paul-buerkner merged 12 commits intopaul-buerkner:masterfrom bschneidr:group-weights

Feb 24, 2025

+269-22

Commits on Jan 20, 2025

Add weights argument to gr(), for paul-buerkner#1719 , along
bschneidr
committed

Commits on Jan 29, 2025

Throw informative errors or warning for bad group-level weights. Add corresponding tests.
bschneidr
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Commits on Jan 30, 2025

Refactoring suggested in code review and to catch potential issue when .stan_re() uses mm() and not gr().
bschneidr
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In newdata, fill in group-level weights if not supplied
bschneidr
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Commits on Jan 31, 2025

Replace gr_weights with weights whenever unambiguous. Replace ifelse() function with if else control flow.
bschneidr
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Commits on Feb 23, 2025