R 语言下常用第三方库的说明

来源:互联网 发布:java上传txt文件 编辑:程序博客网 时间:2024/06/06 07:15

1. doBy

官方文档见 CRAN - Package doBy

doBy 主要适用于以下操作:

  • 1) Facilities for groupwise computations of summary statistics and other facilities for working with grouped data: ‘do’ something to data stratified ‘by’ some variables.
  • 2) LSmeans (least-squares means), general linear contrasts.
  • 3) Miscellaneous other utilities.
0 0
原创粉丝点击