solder

ATT ran an experiment varying five factors relevant to a wave-soldering
procedure for mounting components on printed circuit boards. The response
variable, skips, is a count of how many solder skips appeared to a visual
inspection.

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

solder function

A data frame with 900 observations on the following 6 variables.<dl>
<dt>Opening</dt>
<dd>a factor with levels <code>L</code> <code>M</code>
<code>S</code></dd>
 <dt>Solder</dt>
<dd>a factor with levels <code>Thick</code>
<code>Thin</code></dd>
 <dt>Mask</dt>
<dd>a factor with levels <code>A1.5</code> <code>A3</code>
<code>A6</code> <code>B3</code> <code>B6</code></dd>
 <dt>PadType</dt>
<dd>a factor with levels
<code>D4</code> <code>D6</code> <code>D7</code> <code>L4</code> <code>L6</code> <code>L7</code> <code>L8</code>
<code>L9</code> <code>W4</code> <code>W9</code></dd>
 <dt>Panel</dt>
<dd>a numeric vector</dd><dt>skips</dt>
<dd>count of how many solder skips appeared to a visual
inspection</dd>
 
</dl>

Format

Solder skips in printing circuit boards — solder

A data frame with 900 observations on the following 6 variables.<dl>
<dt>Opening</dt>
<dd>a factor with levels <code>L</code> <code>M</code>
<code>S</code></dd>
 <dt>Solder</dt>
<dd>a factor with levels <code>Thick</code>
<code>Thin</code></dd>
 <dt>Mask</dt>
<dd>a factor with levels <code>A1.5</code> <code>A3</code>
<code>A6</code> <code>B3</code> <code>B6</code></dd>
 <dt>PadType</dt>
<dd>a factor with levels
<code>D4</code> <code>D6</code> <code>D7</code> <code>L4</code> <code>L6</code> <code>L7</code> <code>L8</code>
<code>L9</code> <code>W4</code> <code>W9</code></dd>
 <dt>Panel</dt>
<dd>a numeric vector</dd>

<dt>skips</dt>
<dd>count of how many solder skips appeared to a visual
inspection</dd>
 
</dl>

solder: Solder skips in printing circuit boards

Description

Arguments

Format

Examples