powerlmm R package for power calculations for two- and three-level longitudinal multilevel/linear mixed models.
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simulate: satterthwaite dfs give error when time:treatment is omitted #7
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rpsychologist opened 6 years ago
The following model will fail:
Even though it is a custom model, it is probably a good idea to support this type of custom use.
Would need to update:
Before this is supported it would be better to give a more informative error message.