# generic commands for twographbox output size
load "twographbox.in"



set data style lines

set xlabel "Cost {/Times-Italic c}"
set ylabel "{/Times-Italic P}({/Times-Italic buys} | {/Times-Italic c})" 
set xrange [0:12]
set yrange [0:1]
#set nokey
set samples 100

logit(x,m,s) = (1/(1+exp(-(2*(-x+m)/s))))
m=6.0
s = 1.0



set output "logit.eps"

plot logit(x,m,s) lw 2 title "Logit", 'probit.data' lw 2 title "Probit"