set terminal postscript eps 'Helvetica' 20 set size 1, 1 set log y set autoscale x set autoscale y set key top right set ylabel "Cluster Purity" set output 'reducer_purity_auc.eps' set title 'AUC of Cluster Purity by Reduction Method' plot 'reducer_purity_auc.dat' using 1:2 with lines lt 0 t "FastMap", \ 'reducer_purity_auc.dat' using 1:3 with lines lt 1 t "PCA", \ 'reducer_purity_auc.dat' using 1:4 with lines lt 2 t "Tf-Idf"