set terminal postscript eps 'Helvetica' 20
set size 0.5, 0.5
set xtics 0,20
set logscale y
set keys bottom right
set xlabel "N (number of features)"
set ylabel "Runtime (seconds)"
set title 'ap203 - Dimension Reduction - Number of Dimensions vs Runtimes'
set output 'step_reduction_runtimes_N.eps'
plot 'pcaN.dat' u 1:2 with linesp 0 0 t "PCA", 'tfidfN.dat' u 1:2 with linesp 1 0 t "TFIDF", 'fastmapN.dat' u 1:2 with linesp 1 1 t "Fastmap"