This article describes how to use GNU Emacs for quick data visualization in combination with Gnuplot. It provides a command that can be used to visualize the correlation of data without needing any setup or specific files. The article also includes an example of a command for generating a graph using a data range selected with a rectangle command copy-rectangle.
use this stats command instead of fit
need full using spec for x time data
Just add using 1:2 to your plot line.
Use the stats command instead of fit