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| From | Philip Ender <ender97@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: test with Interaction terms (#) in regression |
| Date | Tue, 4 Dec 2012 09:48:53 -0800 |
Rodrigo Badilla <rodrigo.badilla@gmail.com> wrote: I am runing a regression analisys with Interaction terms: reg y i.x#c.z now i d like run a test for the this interaction in differents categories. ------------------------ You have a categorical by continuous interaction which tells you whether the slope of y on z differs among levels of x. The easiest way of looking at this is . margina x, dydx(z) You have only one categorical and one continuous variable so I'm not sure what you mean when you say, "I d like run a test for the this interaction in differents categories." -- Phil Ender UCLA Statistical Consulting Group * * 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/