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From |
Nick Cox <njcoxstata@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Marginal Effects: CLogit |

Date |
Sun, 7 Oct 2012 08:47:44 +0100 |

As said, yes. You can get marginal effects for continuous predictors, but you must spell out what you want. There is a brief introduction to -margins- in [U]. Otherwise there really is no subsitute for reading the help and the manual entry. Nick On Sat, Oct 6, 2012 at 8:55 PM, Wameq Raza <wameq.r@gmail.com> wrote: > Dear Nick, > Thank you very much for the clarification, I'm not sure how I missed > that. As I previously mentioned, > I'm just trying to get the marginal effects of the variables from the > estimated model. > Am I going about this the wrong way? > Wameq > > On Sat, Oct 6, 2012 at 7:09 PM, Nick Cox <njcoxstata@gmail.com> wrote: >> The help for -margins- starts off >> >> margins [marginlist] [if] [in] [weight] [, response_options options] >> >> where marginlist is a list of factor variables or interactions that >> appear in the current estimation results. >> >> That means what it says: so, you are asking something -margins- can't >> do it if you offer up continuous variables _as if_ they were factor >> variables. That just won't work. >> >> The real questions are thus exactly what you want out of -margins-; >> whether that makes sense, and how else to get it, on which others can >> advise better than I can. >> >> Nick >> >> On Sat, Oct 6, 2012 at 5:51 PM, Wameq Raza <wameq.r@gmail.com> wrote: >> >>> I was wondering if someone could kindly help me figure out how to get >>> the marginal effects of my conditional logit model. >>> The syntax I'm using: >>> >>> clogit hw cost_ time_ wait_,group(id) >>> margins cost_ time_ wait_, predict(xb) >>> >>> These are logged alt specific variables, but the error STATA keeps on >>> throwing back at me is: >>> "cost_: factor variables may not contain noninteger values" >>> >>> However, these are continuous variables and not factor vars. I'm not >>> sure how exactly to proceed. * * 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/

**References**:**st: Marginal Effects: CLogit***From:*Wameq Raza <wameq.r@gmail.com>

**Re: st: Marginal Effects: CLogit***From:*Nick Cox <njcoxstata@gmail.com>

**Re: st: Marginal Effects: CLogit***From:*Wameq Raza <wameq.r@gmail.com>

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