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

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

Subject |
st: RE: what does it mean the default for -mfx- is discrete when it is evaluated at the mean? |

Date |
Tue, 1 Jun 2010 23:27:18 +0200 |

<> The point of evaluation does not seem to matter at all in this code, though: *********** sysuse auto, clear reg price weight length foreign mfx compute, dydx at(mean foreign=0) mfx compute, dydx at(mean foreign=1) mfx compute, dydx at(mean foreign=.2) mfx compute, dydx at(mean foreign=.5) mfx compute, dydx at(mean foreign=.8) *********** HTH Martin -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nirina F Sent: Dienstag, 1. Juni 2010 16:09 To: statalist@hsphsun2.harvard.edu Subject: st: what does it mean the default for -mfx- is discrete when it is evaluated at the mean? Hello, I have a dummy for dependent and main independent variable. I am using ivprobit. When I try to get the marginal effects, mfx shows you that the default setting is 'discrete', that is, evaluate the marginal effect of a dummy going from 0->1. But it is evaluated at the mean (and under x it shows 0.37 for the independent variable) so I am a little bit confused about the interpretation of the marginal effect. Thank you for your help. Nirina * * 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/

**Follow-Ups**:**st: RE: RE: what does it mean the default for -mfx- is discrete when it is evaluated at the mean?***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**References**:**st: what does it mean the default for -mfx- is discrete when it is evaluated at the mean?***From:*Nirina F <fstata@gmail.com>

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