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From |
Elena Quercioli <elena.liquorice@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: Estimation Question |

Date |
Thu, 8 Nov 2012 17:17:57 -0500 |

Dear StataList Users: I need some help on the following question: How do I find the best MLE fit for Y on a^d1 X1 and a^d2 X2 where I wish to estimate the coefficient on each (as well as a constant, say). To be precise, I want to input the data {X1,X2,Y} and parameters d1,d2>0, and have STATA tell me the best fit c_0, c_1, c_2, and geometric base a>0 so that: Y = c_0 + c_1 a^d1 X1 + c_2 a^d2 X2 I should mention also that my theory requires 0<a<1. Any help on this would be greatly appreciated! Thanks! Elena * * 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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