wine

These data concern white variants of the Portuguese "Vinho Verde" wine.
Quality is an ordinal variable based on the median assessment of 
of at least 3 wine experts. Each expert graded wine quality between 0 (very bad) and 10 (excellent).

datasets

Contains functions from: Aho, K. (2014) Foundational and Applied Statistics for Biologists using R.  CRC/Taylor and Francis, Boca Raton, FL, ISBN: 978-1-4398-7338-0.

Ken Aho

asbio

A Collection of Statistical Tools for Biologists

wine function

A data frame with 4898 observations on the following 12 variables.<dl class="dl-horizontal">
 <dt><code>Y</code></dt><dd>Wine quality.</dd>
 <dt><code>X1</code></dt><dd>Volatile acidity.</dd>
 <dt><code>X2</code></dt><dd>Citric acid content.</dd>
 <dt><code>X3</code></dt><dd>Residual Sugar content.</dd>
 <dt><code>X4</code></dt><dd>Chloride content.</dd>
 <dt><code>X5</code></dt><dd>Free sulfur dioxide content.</dd>
 <dt><code>X6</code></dt><dd>Total sulfur dioxide content.</dd>
 <dt><code>X7</code></dt><dd>Density.</dd>
 <dt><code>X8</code></dt><dd>pH: \(-\log_{10}\) [H\(^{+}\)].</dd>
 <dt><code>X9</code></dt><dd>Sulphate content.</dd>
 <dt><code>X10</code></dt><dd>Alcohol content.</dd>
 <dt><code>X11</code></dt><dd>Fixed acidity.</dd>
 </dl>

Format

White wine quality data for data mining — wine

A data frame with 4898 observations on the following 12 variables.<dl class='dl-horizontal'>
 <dt><code>Y</code></dt><dd>Wine quality.</dd>
 <dt><code>X1</code></dt><dd>Volatile acidity.</dd>
 <dt><code>X2</code></dt><dd>Citric acid content.</dd>
 <dt><code>X3</code></dt><dd>Residual Sugar content.</dd>
 <dt><code>X4</code></dt><dd>Chloride content.</dd>
 <dt><code>X5</code></dt><dd>Free sulfur dioxide content.</dd>
 <dt><code>X6</code></dt><dd>Total sulfur dioxide content.</dd>
 <dt><code>X7</code></dt><dd>Density.</dd>
 <dt><code>X8</code></dt><dd>pH: \(-\log_{10}\) [H\(^{+}\)].</dd>
 <dt><code>X9</code></dt><dd>Sulphate content.</dd>
 <dt><code>X10</code></dt><dd>Alcohol content.</dd>
 <dt><code>X11</code></dt><dd>Fixed acidity.</dd>
 </dl>

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wine: White wine quality data for data mining

Description

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