xline

Values on x axis specifying location of vertical lines.

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Adds vertical lines in the plot region.

Provides functions and datasets required for the ST 370 course at North Carolina State University.

<dl><dt>x</dt>
<dd>Values on x axis specifying location of vertical lines.</dd><dt>...</dt>
<dd>Any ploting options for abline.</dd></dl>

<dl>

<dt>x</dt>
<dd>Values on x axis specifying location of vertical lines.</dd>

<dt>...</dt>
<dd>Any ploting options for abline.</dd>

</dl>