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<TITLE>Chart::PNGgraph.pm - example 4-1</TITLE>
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<H1 align="center">Chart::PNGgraph.pm - example 4-1</H1>
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<img src="sample41.png">
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<p align="center"><a href="sample41.pl">The code.</a></p>
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<h5>NOTES</h5>
Note that both data sets have a point missing.
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