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From |
Partho Sarkar <partho.ss+lists@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Regression Equation in ZINB regression |

Date |
Tue, 20 Sep 2011 16:19:41 +0530 |

My post crossed yours in the mail! Hope you can manage now. Partho On Tue, Sep 20, 2011 at 4:03 PM, rachel grant <rachelannegrant@gmail.com> wrote: > Thank you Partho. Thank you all for your patience. > I have now understood that I cannot get Stata to do this and I need to > reconstruct by inserting my co-efficients into the equation. Fine > > Now the problem I have is finding a general equation for ZINB in order > to reconstruct. > Is the general equation for ZINB the same as Poisson? I cannot find > anywhere a general equation for ZINB. > I could use a general log-linear Poisson type equation but would this > be correct? and how do I deal with the inflated part, is this merely a > seperate log-linear eqn, or is it incorporated into th general ZINB > eqn. Thanks, Rachel > > On 19 September 2011 08:13, Partho Sarkar <partho.ss+lists@gmail.com> wrote: >> Hi Rachel >> >> Just to clarify: in order to actually get the "regression equation", >> by which I assume you mean something like >> >> yhat=12.56+2.6*x1+0.34*x2 , >> >> you do need to reconstruct the equation form the output displayed (as >> exemplified by Anees's results). You could see this page for an >> example: http://dss.princeton.edu/online_help/analysis/interpreting_regression.htm >> . >> >> With a little more programming effort, this process could be automated >> using e-class macros etc. (There is very probably a user-written >> program to do this somewhere out there- -estadd- from here >> http://repec.org/bocode/e/estout/ might help partly, and you can >> search the rich REPEC archives). >> >> (In this sense Stata may not be as "user friendly" as Minitab or even >> some more ambitious other packages, which helpfully report the exact >> "prediction equation" in the form you might want, but then it can do >> so much more besides!) >> >> Hope this helps >> >> Partho >> >>> On Mon, Sep 19, 2011 at 12:34 AM, rachel grant <rachelannegrant@gmail.com> wrote: >>>> >>>> I have searched the help files but I cannot understand how to get >>>> Stata to display the regression equation. >>>> If anyone is able to help, without referring me to manual, it would be >>>> really appreciated. >>>> >>>> -- >>>> regards, Rachel Grant >>>> * >>>> * 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/ >> > > > > -- > regards, Rachel > > * > * 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**:**Re: st: Regression Equation in ZINB regression***From:*Partho Sarkar <partho.ss+lists@gmail.com>

**References**:**Re: st: Regression Equation in ZINB regression***From:*rachel grant <rachelannegrant@gmail.com>

**Re: st: Regression Equation in ZINB regression***From:*Partho Sarkar <partho.ss+lists@gmail.com>

**Re: st: Regression Equation in ZINB regression***From:*rachel grant <rachelannegrant@gmail.com>

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