set terminal pdf set output "main-w3-n1.pdf" set title "weight 3 single seed" set key right center box set xlabel "multi-hit/coverage threshold" set ylabel "correlation coefficient" plot "main-w3-n1.dat" using ((-1.0*$1)) w p pt 4 ps 0.8 lt 3 t "multi-hit correlation",\ "main-w3-n1.dat" using ((-1.0*$2)) w p pt 6 ps 0.8 lt 1 t "coverage-hit correlation",\ "main-w3-n1.dat" using ((-1.0*$3)) w p pt 8 ps 0.8 lt 7 t "single-hit correlation"