From | "Brian P. Poi" <[email protected]> |
To | [email protected] |
Subject | Re: st: NLLS problem |
Date | Sun, 25 Sep 2005 10:35:36 -0500 (CDT) |
On Sat, 24 Sep 2005 [email protected] wrote:
Stata users -
Hello, I am try to estimate a wage model by non-linear least squares.
wage = exp({educ}*educ+{exper}*exper+{espersq}*espersq+{smsa}*smsa+{south}*south)+ {delta}*(exp({educ2}*educ+{exper2}*exper+{espersq2}*espersq+{smsa2}*smsa+
{south2}*south)^2))
Every time I attempt to estimate it, stata gives me "
* Parameter south2 taken as constant term in model & ANOVA table"
Why is this? What am I doing incorrect? I've tried different starting values for south2 and it doesn't seem to work.
Any help would be most appreciated!
Thanks!!!
Ben
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