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From |
Marie-Benoit MAGRINI <marie-benoit.magrini@toulouse.inra.fr> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: iweight and heckman |

Date |
Thu, 5 Nov 2009 16:11:19 +0100 |

Hello, I am using weighted data, but my weights are not integer. So I cannot use the “fweight’ option.

notably OLS estimation and Heckman estimation. And I observe this difference concerning the number of observations:

best regards, mb magrini using Stata 10 -------------------------------------------------------------- Marie-Benoît MAGRINI PhD in Economics INRA - French National Institute for Agricultural Research UMR1248 AGIR BP 52627 31326 Castanet Tolosan FRANCE Phone: 33 (0)5 61 28 54 22 Fax: 33 (0)5 61 73 20 77 email: mbmagrini@toulouse.inra.fr http://www.toulouse.inra.fr/agir http://www.international.inra.fr --------------------------------------------------------------- * * 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/

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