set output "lang_perf.ps"
set term postscript color
set xlabel "  "
set ylabel "error rate bound"
set title "Performance of 4 languages on 4 datasets"
set xtics rotate ("classic3" 0.15, "cmu-similar-100" 1.15, "cmu-same-1000" 2.15, "yahoo" 3.15)
set size 0.5,0.5
plot [0:4] [0:1] "simple.lang" using 0:2 notitle w impulses lw 13, "init.lang" using ($0+0.15):2 notitle w impulses lt 1 lw 13, "cluster.lang" using ($0+0.3):2 notitle w impulses lt 1 lw 13, "algo.lang" using ($0+0.45):2 notitle w impulses lt 1 lw 13
