set size 0.5,0.5
set terminal postscript eps "Helvetica" 15
set output "jpfk2.eps"
set title "Top r=2 ranks"
#set key left bottom box
set xtics (3,5,10,20)
set xrange [0: 22]
set yrange [-1.5: 10]
set xlabel "Clusters"
set ylabel "pf"
plot "jigglepfk2.dat" using 1:2 title "n4" with linespoints, \
"jigglepfk2.dat" using 1:3 title "n3" with linespoints, \
"jigglepfk2.dat" using 1:4 title "n2" with linespoints, \
"jigglepfk2.dat" using 1:5 title "n1" with linespoints