leafblotch

The data gives the proportion of leaf area affected by leaf blotch on 10
varieties of barley at 9 different sites.

datasets

Books are "Linear Models with R" published 1st Ed. August 2004, 2nd Ed. July 2014 by CRC press, ISBN 9781439887332, and "Extending the Linear Model with R" published by CRC press in 1st Ed. December 2005 and 2nd Ed. March 2016, ISBN 9781584884248 and "Practical Regression and ANOVA in R" contributed documentation on CRAN (now very dated).

Julian Faraway

faraway

Functions and Datasets for Books by Julian Faraway

leafblotch function

A data frame with 90 observations on the following 3 variables.<dl>
<dt>blotch</dt>
<dd>proportion of the barley leaf affected by
blotch</dd>
 <dt>site</dt>
<dd>the physical location - a factor with levels
<code>1</code> <code>2</code> <code>3</code> <code>4</code> <code>5</code> <code>6</code> <code>7</code> <code>8</code>
<code>9</code></dd>
 <dt>variety</dt>
<dd>variety of barley - a factor with levels
<code>1</code> <code>2</code> <code>3</code> <code>4</code> <code>5</code> <code>6</code> <code>7</code> <code>8</code>
<code>9</code> <code>10</code></dd>
 
</dl>

leafblotch: Leaf blotch on barley

Description

Arguments

Format

References