barley: Spring Barley Data

In SMPracticals: Practicals for Use with Davison (2003) Statistical Models

Spring Barley Data

Description

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.

Usage

data(barley)

Format

A data frame with 225 observations on the following 4 variables.

Block

a factor with three levels

Location

a numeric vector with 75 values giving the plot

Variety

a factor with 75 levels giving the variety of barley sown in the plot

y

yield at harvest, standardised to have unit crude variance

Source

Besag, J. E., Green, P. J., Higdon, D. and Mengersen, K. (1995) Bayesian computation and stochastic systems (with Discussion). Statistical Science, 10, 3–66.

References

Davison, A. C. (2003) Statistical Models. Cambridge University Press. Pages 534–535.

Examples

data(barley)

SMPracticals documentation built on May 29, 2024, 12:19 p.m.