Most of the model M0, ...., M8 return the following warning message
boundary (singular) fit: see ?isSingular
See https://stats.stackexchange.com/questions/185360/t-value-associated-with-nlme-lme4 for some discussion.
This should at least be mentioned.
Most of the model M0, ...., M8 return the following warning message
See https://stats.stackexchange.com/questions/185360/t-value-associated-with-nlme-lme4 for some discussion.
This should at least be mentioned.