[Gnuplot-info] How to draw a ladder graph?‏‏

[Suchada P. <coo...@ho...>]

Hi 
 
This is first time for me using gnuplot. Last week I tried to draw ladder graph with excell and other tool but not work. 
So, I'd like to know how to draw a ladder graph with gnuplot?
 
Thank you in advance. 
Cooky