set size 0.5,0.5
set terminal postscript eps "Helvetica" 11
set output 'pima1-4.eps'
set key left top box
set title 'Pima Diabetes (4, 2%)'
set ytics 1000
set xtics 500
set xlabel "x"
set ylabel "position"
plot "resultspima1-4.dat" using 1:2 title "before(58, 42)" with lines, \
 "resultspima-4.dat" using 1:3 title "after(52, 48)" with lines