SASmixed (version 0.1-7)

WWheat: Winter wheat

Description

The WWheat data frame has 60 rows and 3 columns.

source

Littel, R. C., Milliken, G. A., Stroup, W. W., and Wolfinger, R. D. (1996), SAS System for Mixed Models, SAS Institute (Data Set 7.2).

Examples

options(
  contrasts = c(unordered = "contr.SAS", ordered = "contr.poly"))
data(WWheat)