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From |
"Martin Weiss" <martin.weiss1@gmx.de> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: AW: Difference between -suest- and -sureg- |

Date |
Mon, 27 Apr 2009 16:29:43 +0200 |

<> Maybe this post http://www.stata.com/statalist/archive/2007-08/msg00238.html and answers help answer your question... HTH Martin -----Ursprüngliche Nachricht----- Von: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Herve STOLOWY Gesendet: Montag, 27. April 2009 16:15 An: statalist@hsphsun2.harvard.edu Betreff: st: Difference between -suest- and -sureg- Dear Statalisters: A few days ago, I asked a question about how to test the difference in the growth rate of two variables. I received several interesting answers and Austin Nichols suggested the use of -suest-. If I adapt his suggestion to my problem, I have the following command lines: reg foreign_base time if time > 3 & time < 7 est sto i reg foreign_match time if time > 3 & time < 7 est sto v suest i v, cluster(company) test [i_mean]time=[v_mean]time Reading more on -suest- and -test-, I discovered the command -sureg-. I tried to adapt it to my problem: sureg (foreign_base time) (foreign_match time ) if time > 3 & time < 7 test [foreign_base]time = [foreign_match]time It seems to me that the two procedures are very similar, although the results of the chi2 are not exactly the same (but they are consistent). Could someone explain to me the difference between the two procedures with regard to my problem? Is one "better" than the other (please forgive me in advance if my question is heretical). If the explanation is too long, could I find a useful reference? Best regards Herve Stolowy *********************************************************** Professeur/Professor President of the French Accounting Association (AFC) HEC Paris Departement Comptabilite Controle de gestion / Dept of Accounting and Management Control 1, rue de la Liberation 78351 - Jouy-en-Josas France Tel: +33 1 39 67 94 42 - Fax: +33 1 39 67 70 86 mail: stolowy at hec dot fr web: http://www.hec.fr/stolowy * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/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/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: Difference between -suest- and -sureg-***From:*"Herve STOLOWY" <stolowy@hec.fr>

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