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#
# 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'
Click here for minimal script to generate this plot
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