WWheat {SASmixed} | R Documentation |
The WWheat
data frame has 60 rows and 3 columns.
This data frame contains the following columns:
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).
library(SASmixed) options( contrasts = c(unordered = "contr.SAS", ordered = "contr.poly")) data(WWheat)