This chapter covers
Gnuplot is probably the most widely used open source program for plotting and visualizing data. In this book, I want to show you how to use gnuplot to make plots and graphs of your data: both quick and easy graphs for your own use and highly polished graphs for presentations and publications.
But I also want to show you something else: how to solve data analysis problems using graphical methods. The art of discovering relationships in data and extracting information from it by visual means is called graphical analysis and I believe gnuplot to be an excellent tool for it.
As a teaser, let’s take a look at some ...