Power analysis for longitudinal multilevel models: powerlmm 0.3.0 is now out on CRAN

April 17, 2018

My R package powerlmm 0.3.0 is now out on CRAN. It can be installed from CRAN https://cran.r-project.org/package=powerlmm or GitHub https://github.com/rpsychologist/powerlmm.

New features

This version adds support for raw effect sizes, and new standardized effect sizes using the function cohend(...). Here’s an example that use the different types.

Other changes

  • Support for lmerTest 3.0.