#

# Demo illustrating the relationship between

# a binned histogram and a kernel density model of the same data.

#

$DATA << EOD

1	1

2	1

8	1

9	1

17	1

17	1

9	1

9	1

5	1

7	1

7	1

8	1

8	1

8	1

10	1

11	1

11	1

12	1

14	1

3	1

3	1

3	1

8	7

15	1

17	1

17	1

18	1

19	1

20	1

EOD

set title "Comparison of a binned histogram and\na kernel density model of the same data"

set style data lines

set xtics 1 norangelimit nomirror

set grid y

set yrange [0:5.5]

set style fill solid 0.5 noborder

set jitter spread 0.5

plot $DATA using 1 bins=20 with boxes title '20 bins', \

        '' using 1:(1) smooth kdensity bandwidth .5 lw 2 title 'smooth kdensity', \

        '' using 1:(.9) with impulse lc "black" title 'jittered data'

pause -1 "Hit return to continue"

reset