Hi See in line
> -----Original Message----- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Faradj > Koliev > Sent: Thursday, August 25, 2016 12:32 PM > To: r-help@r-project.org > Subject: [R] Hickman models with two binary dependent variables in R > > Hi everyone, > > How do I run Heckman models in R with two binary dependent variables? > > sampleSelection package in R works with standard heckman models ( binary > DV for the selection equation and continuous DV for the outcome equation). > In my case dependent variables are both binary (actually ordered but I didn’t > find anything on that) From help page The endogenous variable of the argument 'selection' must have exactly two levels (e.g. 'FALSE' and 'TRUE', or '0' and '1'). By default the levels are sorted in increasing order ('FALSE' is before 'TRUE', and '0' is before '1'). This also applies for the binary outcome equation. For continuous-oucome cases, the dependent variable(s) should be numeric. seems to me that both equatio0ns can have binary values. > > So using sampleSelection package one could do this by running: > > SelectionEquation <- binaryDV1 ~ x1+x2+x3+x4 > > OutcomeEquation <- binaryDV2~o7+x1+x4+x5 > > HeckmanModel <- heckit(SelectionEquation,OutcomeEquation, > data=mydata, method="2step") > > > The problem is that heckit() doesn’t work here. I think in STATA one could What does it mean. Be more specific. And provide some data (preferably by dput). Or at least result of str(yourdata) to show that they are appropriate to the function. And do not post in HTML. Cheers Petr > use heckprob command for this. Anyone who knows more than me? > > Thanks! > > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. ________________________________ Tento e-mail a jakékoliv k němu připojené dokumenty jsou důvěrné a jsou určeny pouze jeho adresátům. Jestliže jste obdržel(a) tento e-mail omylem, informujte laskavě neprodleně jeho odesílatele. Obsah tohoto emailu i s přílohami a jeho kopie vymažte ze svého systému. Nejste-li zamýšleným adresátem tohoto emailu, nejste oprávněni tento email jakkoliv užívat, rozšiřovat, kopírovat či zveřejňovat. Odesílatel e-mailu neodpovídá za eventuální škodu způsobenou modifikacemi či zpožděním přenosu e-mailu. 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