The scripts provided here use this datafile (the name of which is data).

The script The LaTeX document The final document Content
example1.C example1.tex The easiest example, for a quick impression
example2.C example2.tex This example demonstrates the currently existing drawstyles, such as histogram, points, lines, bars, etc
example3.C example3.tex Demonstrates, how to use and plot C-functions (functions written in C/C++, which are either interpreted, or precompiled)
example4.C example4.tex Draws a nice vectorfield
And this is the current test file, which I use to check the latest developments. This uses this datafile.
test/test.C test/test.tex test/ Contains lot of stuff, check it!