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<table width="100%" summary="page for Cracker"><tr><td>Cracker</td><td align="right">R Documentation</td></tr></table>

<h2>Choice of Brand for Crakers </h2>

<h3>Description</h3>


<p>a cross-section
</p>
<p><EM>number of observations</EM> :  3292
</p>
<p><EM>observation</EM> :  individuals
</p>
<p><EM>country</EM> :  United States
</p>


<h3>Usage</h3>

<pre>data(Cracker)</pre>


<h3>Format</h3>

<p>A dataframe containing :
</p>

<dl>
<dt>id</dt><dd><p>individuals identifiers</p>
</dd>
<dt>choice</dt><dd><p>one of sunshine, kleebler, nabisco, private</p>
</dd>
<dt>disp.z</dt><dd><p>is there a display for brand z ?</p>
</dd>
<dt>feat.z</dt><dd><p>is there a newspaper feature advertisement for brand z ?</p>
</dd>
<dt>price.z</dt><dd><p>price of brand z</p>
</dd>
</dl>



<h3>Source</h3>


<p>Jain, Dipak C.,  Naufel J.    Vilcassim and  Pradeep K.  Chintagunta (1994) &ldquo;A random&ndash;coefficients logit brand&ndash;choice model applied to panel data&rdquo;, <EM>Journal of Business and Economics Statistics</EM>, <B>12(3)</B>, 317.
</p>
<p>Paap, R.  and  Philip Hans  Frances (2000) &ldquo;A dynamic multinomial probit model for brand choices with different short&ndash;run effects of marketing mix variables&rdquo;, <EM>Journal of Applied Econometrics</EM>, <B>15(6)</B>, 717&ndash;744.
</p>


<h3>References</h3>


<p>Journal of Business Economics and Statistics web site : <a href="http://www.amstat.org/publications/jbes/">http://www.amstat.org/publications/jbes/</a>.
</p>


<h3>See Also</h3>

<p><code>Index.Source</code>, <code>Index.Economics</code>, <code>Index.Econometrics</code>, <code>Index.Observations</code></p>


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