emmeans for lme when the data is incomplete [🇷 for BE/BA]

posted by mittyri – Russia, 2023-05-20 22:19 (604 d 03:55 ago) – Posting: # 23561
Views: 2,013

Dear Helmut,

let me raise this old but useful post
first of all,

❝ A small step for a man but a giant leap for mankind?

:flower: should go to Detlew, take a look at his proposal
this is pretty the same, I didn't find any differences except some other rules of arguments naming.
I tried it for some models and it works well until uncomplete data is given:

> test(pairs(emmeans(mod, ~ Formulation, mode = "satterth"),
+            reverse = TRUE), delta = log(0.8))

Error in (mth$objs[[1]])(object, trms, xlev, grid, ...) :
  Unable to estimate Satterthwaite parameters


Any ideas? should I contact Russ regarding that?
It works when the mode is asymptotic or containment

Kind regards,
Mittyri

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