Gnuplot Scatter Plot Example
A scatter plot shows the relationship between two measured variables, one point per observation — this example adds a third and fourth variable by letting each point take its size and its color from extra data columns. $DATA << EOD 1.0 2.1 1.0 1 2.0 3.4 2.0 2 3.0 3.1 1.5 1 4.0 5.2 3.0…