set terminal postscript eps 'Helvetica' 20 set size 1, 1 set xtics 0,20 set logscale y set xlabel "N (number of features)" set ylabel "Runtime (seconds)" set title 'ap214 - Number of Dimensions vs Runtimes' set output 'step_reduction_runtimes_N.eps' plot 'pcaN.dat' u 1:2 with lines lt -1 t "PCA", 'tfidfN.dat' u 1:2 with lines lt 2 t "TFIDF", 'fastmapN.dat' u 1:2 with lines lt 1 t "Fastmap"