set terminal png size 400,300 font size 8 set terminal png small set out "graph_data_cdf__PERyear_TESTall.png" set title "Period of time: last year" set xlabel "Duration of the activity (days)" set ylabel "CDF of duration" set ytics nomirror set grid plot [:] [0:1]\ "analysis_PERyear_TESTall_stat_perUUID_cdf.txt" u 1:2 t "" w l lt 1 lw 2\