You can also probably do it directly with -ppplot-
from SSC if I recall correctly how that works.
Nick
[email protected]
> >From: "Nick Cox" <[email protected]>
> >
> >-rspread- was written by long-time Stata user
> >Richard Goldstein, contributor to this list and
> >lead organiser of the upcoming Boston users'
> >meeting, in 1993 and published in STB-23 in January
> >1995.
> >
> >A lot of water has flowed down the Charles River
> >since then and in the interim -rspread- has been
> >broken by changes in what is probably your operating
> >system, namely Windows.
> >
> >Or so I guess.
> >
> >That is, -rspread- is saving your data in a temporary
> >file but was not smart enough to realise that Microsoft
> >would later allow filenames to include spaces.
> >
> >Either way, Richard should probably negotiate with
> >the Editors of the Stata Journal about publishing
> >a Software Update fixing and modernising this program.
> >
> >In the mean time, you want multiple Lorenz curves
> >on the same graph. -rspread- cannot do this.
> >You should check out the -glcurve- program from
> >Philippe van Kerm and Stephen Jenkins, save the
> >graph coordinates and fire up -twoway-.
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