[Gnuplot-info] ROC curves in GNUPLOT

[nirud <ni...@o2...>]

Hi. I'm trying to get ROC curves in gnuplot. If somebody doesn't know what
kind of ROC curves - it's easy to explain what I want to have

example:
xrange - 0:100
yrange - 0:100

I have 3 points (0,0), (100, 100) and (80,20) what I want it's to connect
this point whith curves not lines. I tried to use function fit (with
a*exp(X*b), a*log(x*b) or even a*x**3 + b) but it doesn't works... I know
that as more point I have that easier I can plot my curves, but
unfortunately I can have only this 3 points.

Maybe here is anybody who can help me with that problem and know something
what can put me on the right track... Txh in adnance

PS: sorry for my ENG mistakes...
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