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<title>ploticus: working with missing data</title>
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  <td><br><h2>working with missing data</h2></td>
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.TH working_with_missing_data PL "18-JUN-2001   PL www.sgpr.net"

.SH DESCRIPTION
Ploticus can handle missing plot data values.
In data sets that are to be plotted, missing items
should be denoted by a value that is not plottable, e.g.
for numeric data, a value that is non-numeric.
The plotting procedures omit non-plottable values (the details of
how this is handled are given in the man page for each plotting proc).

.SH EXAMPLES
An Gallery example involving missing numeric data represented 
by dashes(-) is
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