how to plot some data that is in two scales in gnulpot

Question

I want to plot some data that is in two scales.

for 1 < X < 20 , Y is between 0 and 1 and

for 20 < X < 100 Y is between 1 and 20

normal plot has this result:

and as you see the carve between 0 and 20 is hidden! how can i solve it?

Answer 1

Use a logarithmic scale

set logscale y