set terminal postscript eps enhanced monochrome size 4in, 4in; set output 't_plot.eps' set key outside below title '' enhanced; set ylabel "normalized execution time" offset 2.5,0; set xtics rotate by -30 offset -1,0; set xrange [-0.1:7.6]; set yrange [49:130]; set lmargin 5.1; set rmargin 1.5; set datafile separator ' '; set style data boxes;set style fill pattern; set style line 1 lt 1 lw 4; plot 't_plot.txt' using ($0+0):2:(0.1):xticlabels(1) title 'Tree2.5' lt 1, \ 't_plot.txt' using ($0+0.3):5:(0.1) title 'Tree_{One}2.5' lt 1, \ 't_plot.txt' using ($0+0.1):3:(0.1) title 'Tree3.0' lt 1, \ 't_plot.txt' using ($0+0.4):6:(0.1) title 'Tree_{One}3.0' lt 1, \ 't_plot.txt' using ($0+0.2):4:(0.1) title 'Tree4.0' lt 1, \ 't_plot.txt' using ($0+0.5):7:(0.1) title 'Tree_{One}4.0' lt 1