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Re: st: Regressions with dependent continuous variable with bounded range
From
[email protected] (Brendan Halpin)
To
[email protected]
Subject
Re: st: Regressions with dependent continuous variable with bounded range
Date
Sat, 17 Dec 2011 19:17:33 +0000
On Sat, Dec 17 2011, Suryadipta Roy wrote:
> I would very much appreciate some help as to how to interpret the sign
> of the coefficient associated with the squared term of an explanatory
> variable in such a model.
The best way of interpreting it is graphically. For example:
sysuse auto
reg mpg c.weight##c.weight
twoway function x*_b[weight] + x^2*_b[c.weight#c.weight], range(weight)
Brendan
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Brendan Halpin, Department of Sociology, University of Limerick, Ireland
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