st: overlaying two histograms (or distribution curves)

["Ariel Linden, DrPH" <alinden@lindenconsulting.org>]

Hi Listservers,

Is there a way to overlay one histogram (or just the density curve)over
another so that they align accordingly (as we've all seen on the first day
of any statistics course)?

If possible please use the auto data: price by (foreign) as an example

Thanks

Ariel


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