R package

3 posts

• Do you really need a multilevel model? A preview of powerlmm 0.4.0

  May 4, 2018 · 5 min read · R

  The next version of powerlmm (0.4.0) will soon be released, besides bug fixes this version also includes several new simulation features. In this post I will show two examples that cover the major new features.

• Power analysis for longitudinal multilevel models: powerlmm 0.2.0 is now out on CRAN

  Mar 21, 2018 · 3 min read · R

  My R package 'powerlmm' has now been update to version 0.2.0. It contains several improvements, and new features.

• Introducing 'powerlmm' an R package for power calculations for longitudinal multilevel models

  Aug 24, 2017 · 1 min read · R

  Over the summer I've been working on finishing my new R package 'powerlmm', which is now almost complete. It provides flexible power calculations for typical two- and three-level longitudinal linear mixed models, with unbalanced treatment groups and cluster sizes, as well as with missing data and random slopes at both the subject and cluster-level.