set term png
# set term png small
# set out 'dj-len-cut.png'
set term postscript eps enhanced color 26
set out 'dj-len-cut.eps'
set logscale y
set yrange [50:20000]
set title "Number of sections of given length"
set xlabel "Length of Disjunct"
set ylabel "Number of Sections"
set key bottom
plot "dj-len.dat" using 1:2 with lines linewidth 2 title "All Sections", \
"dj-len.dat" using 1:4 with lines linewidth 2 title "Sections w/count > 4"
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