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Re: st: Collapse error: "Factor variables not allowed"
From
William Buchanan <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: Collapse error: "Factor variables not allowed"
Date
Tue, 11 Dec 2012 08:37:59 -0800
It might be the comma before the -by()- option that you omitted.
HTH,
Billy
Sent from my iPhone
On Dec 11, 2012, at 8:27, Lynne Morgan <[email protected]> wrote:
> Hi All,
>
> I have a dataset that I need to collapse by the id number because each ID has several rows (hhidnum). Mostly I just want to know the sum, because the variables are if a condition is present or absent (1/0) in the various rows for each ID. Here is the code that I run:
>
> *Collapse by HHID
> collapse (sum) segmentnum SBE_SEGLEN SBE_1A SBE_1B SBE_1C SBE_1D SBE_1E SBE_1F ///
> diSBE_12A diSBE_12B diSBE_12C diSBE_12D diSBE_12E diSBE_12F diSBE_12G diSBE_12H ///
> SBE_11A SBE_11B SBE_11C SBE_11D SBE_11E littersmall litterhaz ///
> (mean) meanmph=SBE_5A meanlanes=SBE_7A ///
> by(hhidnum) cw
>
> The error I get, though, is "factor variables not allowed". What does this mean? How do I get around it?
>
> Thanks so much!
>
> --
> Lynne Morgan, MPH
> Assistant Researcher
> Survey of the Health of Wisconsin
> University of Wisconsin, Madison
> (e) [email protected]
> (p) 608-821-1243
>
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