set terminal png set key top left set title "Low Lift Error Rate" set xlabel "People" set ylabel "% Wrong Answer" plot [0:6000] [0:20] \ "low-lift-95.txt"using (2*$1):($4/1000) with lines lw 2 title"95% Confidence"\ , "low-lift-98.txt" using (2*$1):($4/1000) with lines lw 2 title"98% Confidence"\ , "low-lift-99.txt" using (2*$1):($4/1000) with lines lw 2 title"99% Confidence"\ , "low-lift-99.5.txt" using (2*$1):($4/1000) with lines lw 2 title"99.5% Confidence"\ , "low-lift-99.9.txt" using (2*$1):($4/1000) with lines lw 2 title"99.9% Confidence"\