Wrangling Data Vizualization with Gnuplot 4.6

“At its core, Gnuplot is an engine for streaming in data,
massaging it, and producing visual output. The input portion of the
process can be interactive, read from a file, or generated by
another program ? that is why Gnuplot is often used as the graphing
engine for other data-centric applications. Examples include the
GRASS geographic information system and the Octave numerical
computation framework, as well as third-party tools like Pig, the
data-analysis platform for Apache Hadoop, or the Puppet
configuration-management tool.

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