Gnuplot
From HCL
Official gnuplot documentation
GNUPLOT: not so Frequently Asked Questions
When plotting "points" data files from fupermod, you will need this: set datafile missing "."
Put in a multiplication symbol with {/Symbol \264} here and here
Error message "';' expected"
That syntax (linetype specification with just a number, but no keyword) has been deprecated for several years now. It had never been an officially documented feature anyway, and was removed ages ago. Have a look at "help plot style" to see how it's done. More
Deprecated:
plot with lines 1
Should be:
plot with lines ls 1