doBy
Groupwise Statistics, LSmeans, Linear Contrasts, Utilities
- Facilities for working with grouped data: 'do' something to data stratified 'by' some variables.
- LSmeans (least-squares means), general linear contrasts.
- Miscellaneous other utilities
Author: Søren Højsgaard, Ulrich Halekoh
CRAN page:
https://cran.r-project.org/web/packages/doBy/index.html
Further info at: