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When you do kdensity X, STATA charts a kernel density fct of X's. Now,
is there a command that would allow me to take the density function thus
generated and chart a cumulative density (or distribution) function?
Ideally, I would like to do that for both densities, that is to go from
a overlay graph
twoway (kdensity X) (kdensity Y)
To a similar overlay graph of two cumulative density functions.
Or is the only way to use:
kdensity X, gen(aa bb)
And then generate a cumulative function of aa? By the way, I tried that
but the graph did not turn out well.
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