set output "alg_perf.ps"
set term postscript color
set xlabel "  "
set ylabel "error rate bound"
set title "Performance of 6 algorithms on 4 datasets"
set xtics rotate ("SPKMeans" 0, "FSKMeans" 1, "hard-moVMF" 2, "soft-moVMF" 3, "KMeans" 4, "KLKMeans" 5)
set size 0.5,0.5
plot [0:6] [0:1] "diff-100.final" using 0:2 notitle w impulses lw 9, "diff-1000.final" using ($0+0.15):2 notitle w impulses lt 1 lw 9, "sim-100.final" using ($0+0.3):2 notitle w impulses lt 1 lw 9, "sim-1000.final" using ($0+0.45):2 notitle w impulses lt 1 lw 9 