Wheat {lme4} | 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

### Details

### Source

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

### Examples

    data(Wheat)

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