simple.freqpoly

Simply plot histogram and frequency polygon. Students do not need to
 know how to add lines to a histogram, and how to extract values.

 hplot

A collection of data sets to accompany the
textbook "Using R for Introductory Statistics," second
edition.

<dl> <dt>x</dt>
<dd>a vector of data</dd> <dt>...</dt>
<dd>arguments passed onto histogram</dd></dl>

<dl>

 <dt>x</dt>
<dd>a vector of data</dd>

 <dt>...</dt>
<dd>arguments passed onto histogram</dd>

</dl>