WWheat: Winter wheat

Description Format Source Examples

Description

The WWheat data frame has 60 rows and 3 columns.

Format

This data frame contains the following columns:

Variety

an ordered factor with 10 levels

Yield

a numeric vector of yields

Moisture

a numeric vector of soil moisture contents

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

1

SASmixed documentation built on May 1, 2019, 9:18 p.m.