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Re: st: runmlwin error: duplicate fixed part
From
William Buchanan <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: runmlwin error: duplicate fixed part
Date
Thu, 30 Aug 2012 05:20:37 -0700
The ## is telling Stata to create the interaction and include the individual variables. If you only want to create the interaction, you should include the variables inidigiduakly and then use # to generate the interaction only.
HTH,
Billy
Sent from my iPhone
On Aug 30, 2012, at 5:13, Susie Schaffnit <[email protected]> wrote:
> I am using the runmlwin command for a discrete-time event history analysis. My model includes several interaction terms. A few variables show up in more than one interaction.
>
> When I run the model I receive this error regarding my variable called SES:
> "SES SES are duplicated in the fixed part"
>
> Oddly, SES is only one of multiple variables that is used in more than one interaction, so I am not sure why this variable is being singled out.
>
> Here is an example of the command I am using:
>
> runmlwin birthfiveyr2 cons i.yrsince##c.cohort c.prevchildren i.motherdead i.fatherdead ///
> c.SES##i.liveswparents c.SES##i.partstat c.PartIn##i.yrsince i.actstat1 ///
> i.aeduc1 i.yrsince##c.SES i.yrsince##i.actstat1, ///
> level2 (acountry: cons) ///
> level1 (yrsince:) ///
> discrete (dist(binomial) link(logit) denom(cons)) ///
> nogroup nopause
>
>
> Does anyone have any idea why I am getting this error? If I run this as a simple regression it works just fine...
>
> Thank you!
>
>
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