set multiplot layout 3,2 columnsfirst set style data boxes plot $D using 0:6 lt 1 title at .75, .20 plot $D using 0:12 lt 2 title at .75, .17 plot $D using 0:13 lt 3 title at .75, .14 plot $D using 0:14 lt 4 title at .75, .11 set label 1 at screen 0.75, screen 0.22 "Custom combined key area" plot $D using 0:($6+$12+$13+$14) with linespoints title "total" unset multiplot
竹野茂治@新潟工科大学