Like so?
sysuse auto, clear
reg mpg c.weight##c.weight##c.weight
predict mhat
sc mpg weight||line mhat weight, sort
On Wed, Dec 2, 2009 at 3:14 PM, Kirimi Sindi <[email protected]> wrote:
> Dear all,
>
> How do I plot a graph polynomial to show there is or no local inflection
> point?
>
> I am running:
>
> regress y x xsquared xcubic
>
> Is there a command after the regression to get STATA plot a graph?
>
> The results shows there is no local inflection point but it would be nice to
> see how the graph looks like.
>
> Kirimi
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