R: Yields by growing conditions

Wheat {nlme}

R Documentation

Yields by growing conditions

The Wheat data frame has 48 rows and 4 columns.

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

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

[Package nlme version 3.1-78 Index]