#!/usr/bin/env gnuplot set terminal png set output "rtt.png" f(x) = mean_rtt fit f(x) 'rtt.dat' u 1:2 via mean_rtt stddev_rtt = sqrt(FIT_WSSR / (FIT_NDF + 1 )) set title "Packets vs. RTT" set xlabel "Packet Number" set ylabel "RTT in usec" plot "rtt.dat" with lines, mean_rtt w l lt 3, stddev_rtt w l lt 3 lc rgb '#bbbbdd'