Graphics Reference
In-Depth Information
twoway histogram grade, discrete
width(2)
We add the
width()
option, and the
bars have a width of 2.
Uses nlsw.dta & scheme vg s1m
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10
15
20
current grade completed
We will now consider kernel-density plots that can be created using
twoway kdensity
.
For more details, see [
G
]
graph twoway kdensity
. As with histograms, if you are not going
to combine the kernel-density plot with other twoway plots, and sometimes even when you
are, the
kdensity
command is preferable to
twoway kdensity
. We will explore a handful
of options that are useful for controlling the display of these graphs. These graphs will use
the
vg s2c
scheme.
twoway kdensity ttl exp
Here is a kernel-density plot of total
work experience. We could have added
the
horizontal
option to display the
graph as a horizontal plot, but this
option is not shown.
Uses nlsw.dta & scheme vg s2c
0
10
20
30
x
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