set terminal png transparent size 640,240 set size 1.0,1.0 set output 'day_of_week.png' unset key set xrange [0.5:7.5] set yrange [0:] set xtics 1 set grid y set ylabel "Commits" plot 'day_of_week.dat' using 1:3:(0.5):xtic(2) w boxes fs solid