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Nested random effects and related fixed effects...

How to do a marginal model analysis in R?...

Why are the coinfidence intervals predicted by arm::sim vs merTools::predictInterval different?...

How to calculate regression residuals in R for each individual in a longitudinal analysis?...

error message with R2MLwin null random model...

Reshape/gather function to create dataset ready for multilevel analysis...

Interpretation of variables in multi-level regression with random effects...