doBy

A utility package: Groupwise Statistics, LSmeans, Linear Contrasts, Utilities

  1. Facilities for working with grouped data: ‘do’ something to data stratified ‘by’ some variables.
  2. Linear estimates and LSmeans (marginal means)
  3. Functional programming
  4. Pipe arithmetic
  5. Flexible variable selection
  6. Miscellaneous datasets

Author: Søren Højsgaard, Ulrich Halekoh

Online documentation

https://hojsgaard.github.io/doBy