Wheat                  package:nlme                  R Documentation

Yields by growing conditions

Description:

     The 'Wheat' data frame has 48 rows and 4 columns.

Format:

     This data frame contains the following columns:

     Tray an ordered factor with levels '3' < '1' < '2' < '4' < '5' <
          '6' < '8' < '9' < '7' < '12' < '11' < '10'

     Moisture a numeric vector

     fertilizer a numeric vector

     DryMatter a numeric vector


Source:

     Pinheiro, J. C. and Bates, D. M. (2000), _Mixed-Effects Models in
     S and S-PLUS_, Springer, New York.

