set title "Children"
set arrow 1 from 0,10 to 10,10 ls 8 nohead
set arrow 2 from 10,0 to 10,10 ls 8 nohead
set tics out
set autos xy
set size 0.79,0.79
set origin 0.12,0.1
max=25.5
unset xzeroaxis
unset yzeroaxis
set xlabel "Mother\'s children"
set ylabel "Aunt\'s children"
set nokey 
set size ratio -1
# jitter size
jit = 0.3
set xrange [-jit:max]
set yrange [-jit:max]
plot x,  'children.txt' u ($1+jit*(rand(0)-0.5)):($2+jit*(rand(0)-0.5)) w p 5 2 

unset arrow
pause -1 'ready'
set size noratio
set xlabel "number of children"
set ylabel "count"
set autos xy
set xrange [0:26]
set key top right
plot 'Mother' u 1:2 w boxes 7, 'Mother' u 1:3 w l
replot 'Aunt' u 1:2 w boxes, 'Aunt' u 1:3 w l
pause -1 'ready'

set size 0.8,0.405
set origin 0.15,0.5475
set multiplot
set title ""
set xlabel ""
set ylabel "count"
set autos xy
set xrange [0:26]
set key top right
plot 'Mother' u 1:2 t'Mother' w boxes 7, 'Mother' u 1:3 t''  w l
set origin 0.15,0.085
set xlabel "number of children"
plot 'Aunt' u 1:2 t'Aunt' w boxes 3, 'Aunt' u 1:3 t'' w l 4
unset multi
pause -1 'ready'

set size 0.79,0.79
set orig 0.15,0.115
set title "cumulative frequency"
set xrange [0:26]
set key bottom right
set ylabel ""
plot 'Mother' u 1:($6/49.0) t'Mother' w steps 7
replot 'Aunt' u 1:($6/45.0) t'Aunt'   w steps 3