Wool

The data show the number of cycles to failure of samples of worsted yarn under cycles of repeated loading.
There are three experimental conditions arranged in a 3 x 3 x 3 factorial design.

datasets

Contains the datasets for use with the book Salvan, Sartori and Pace (2020, ISBN:978-88-470-4002-1) "Modelli Lineari Generalizzati".

Nicola Sartori

MLGdata

Datasets for Use with Salvan, Sartori and Pace (2020)

Wool function

Data frame with 27 observations on the following 4 variables<dl class="dl-horizontal">
 <dt><code>x1</code></dt><dd>length of test specimen (<code>-1</code>, 250 mm; <code>0</code>, 300 mm; <code>1</code>, 350 mm)</dd>
 <dt><code>x2</code></dt><dd>amplitude of loading cycle (<code>-1</code>, 8 mm; <code>0</code>, 9 mm; <code>1</code>, 10 mm)</dd>
 <dt><code>x3</code></dt><dd>load (<code>-1</code>, 40 g; <code>0</code>, 45 g; <code>1</code>, 50 g)</dd>
 <dt><code>y</code></dt><dd>cycles to failure</dd>
</dl>

Format

Wool data — Wool

Data frame with 27 observations on the following 4 variables<dl class='dl-horizontal'>
 <dt><code>x1</code></dt><dd>length of test specimen (<code>-1</code>, 250 mm; <code>0</code>, 300 mm; <code>1</code>, 350 mm)</dd>
 <dt><code>x2</code></dt><dd>amplitude of loading cycle (<code>-1</code>, 8 mm; <code>0</code>, 9 mm; <code>1</code>, 10 mm)</dd>
 <dt><code>x3</code></dt><dd>load (<code>-1</code>, 40 g; <code>0</code>, 45 g; <code>1</code>, 50 g)</dd>
 <dt><code>y</code></dt><dd>cycles to failure</dd>
</dl>

Wool: Wool data

Description

Usage

Arguments

Format