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From |
Nick Cox <[email protected]> |

To |
[email protected] |

Subject |
Re: st: access coefficients from another regression |

Date |
Tue, 30 Oct 2012 14:46:51 +0000 |

That's a good point. I didn't look at the equations, but as stated they are just standard regressions. Nick On Tue, Oct 30, 2012 at 2:44 PM, Austin Nichols <[email protected]> wrote: > Why are you estimating linear models with -nl-? You can use -suest- to > compare across models if you give up -nl-. > > On Tue, Oct 30, 2012 at 8:43 AM, <[email protected]> wrote: >> Dear StataList, >> >> my model consist of two equations x1 und x2 which I estimate seperatly using non linear least squares in Stata 12. α and β denote the estimated coefficients, y and z the variables. >> >> First I estimate x1 using: >> nl (x1= {α1}*y1+ {α2}*y2 + {α3}*y3) >> >> Then I estimate x2 using: >> nl (x2= {β1}*z1+ {β2*z2 + {β3}*z3) >> >> After the estimation I want to calculate a new coefficient γ using the coefficient α1 from the first equation and β1 from the second equation using the nlcom command, for example: >> >> nlcom (γ= α1/β1) >> >> My question is now, how can I access the coefficient α1 from the first equation x1? How would the code for the nlcom command look like? >> >> Thanks a lot in advance. >> >> Christina > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/

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