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From |
John Antonakis <John.Antonakis@unil.ch> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: What is the effect of centering on marginal effects? |

Date |
Fri, 03 Aug 2012 15:07:55 +0200 |

Hi Kit:

Best, J. __________________________________________ Prof. John Antonakis Faculty of Business and Economics Department of Organizational Behavior University of Lausanne Internef #618 CH-1015 Lausanne-Dorigny Switzerland Tel ++41 (0)21 692-3438 Fax ++41 (0)21 692-3305 http://www.hec.unil.ch/people/jantonakis Associate Editor The Leadership Quarterly __________________________________________ On 03.08.2012 14:41, Christopher Baum wrote: > <> > On Aug 3, 2012, at 2:33 AM, John wrote: > >> I don't believe you are using the right vif. Should it not be the

>> vifs are the same. >

> but that does not cause the VIFs to be equal: > > . estat vif, uncentered > > Variable | VIF 1/VIF > -------------+---------------------- > length | 1598.70 0.000626 > weight | 1493.44 0.000670 > c.length#| > c.weight | 1347.44 0.000742 > intercept | 1180.62 0.000847 > -------------+---------------------- > Mean VIF | 1405.05 > > > > . estat vif, uncentered > > Variable | VIF 1/VIF > -------------+---------------------- > c_length | 9.71 0.102969 > c_weight | 9.75 0.102591 > c.c_length#| > c.c_weight | 1.94 0.516267 > intercept | 1.91 0.522829 > -------------+---------------------- > Mean VIF | 5.83 > > Thanks for the references. > > Kit > >

> > > * > * 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**:**Re: Re: st: What is the effect of centering on marginal effects?***From:*Christopher Baum <kit.baum@bc.edu>

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