barley

The spatial layout and plot yield at harvest in a final assessment trial of 
75 varietes of spring barley. The varieties are sown in three blocks, each 
with 75 plots, and each variety is replicated thrice. The yield for variety
27 is missing in block 3.

datasets

Contains the datasets and a few functions for use with
the practicals outlined in Appendix A of the book
Statistical Models (Davison, 2003, Cambridge University Press),
which can be found at <doi:10.1017/CBO9780511815850>.

Alessandra Brazzale

SMPracticals

Practicals for Use with Davison (2003) Statistical Models

barley function

A data frame with 225 observations on the following 4 variables.<dl>
 <dt>Block</dt>
<dd>a factor with three levels</dd> <dt>Location</dt>
<dd>a numeric vector with 75 values giving the plot</dd> <dt>Variety</dt>
<dd>a factor with 75 levels giving the variety of barley sown in the plot</dd> <dt>y</dt>
<dd>yield at harvest, standardised to have unit crude variance</dd> 
</dl>

Format

Spring Barley Data — barley

A data frame with 225 observations on the following 4 variables.<dl>
 <dt>Block</dt>
<dd>a factor with three levels</dd>

 <dt>Location</dt>
<dd>a numeric vector with 75 values giving the plot</dd>

 <dt>Variety</dt>
<dd>a factor with 75 levels giving the variety of barley sown in the plot</dd>

 <dt>y</dt>
<dd>yield at harvest, standardised to have unit crude variance</dd>

 
</dl>

barley: Spring Barley Data

Description

Usage

Arguments

Format

References

Examples