Dear Carlo,
good point, yes I have got different results for some of the variables after (set seed 100000) before running both the commands.
Thank you,
Muhammad Riaz
--- On Thu, 7/2/09, Carlo Lazzaro <[email protected]> wrote:
> From: Carlo Lazzaro <[email protected]>
> Subject: R: help: bootstrap with GEE in stata
> To: [email protected]
> Cc: [email protected]
> Date: Thursday, July 2, 2009, 5:58 PM
>
> Dear Muhammad,
> I am not sure that the following hint may be of some help.
> However, did you
> check your bootstrap results setting the same -seed- for
> both of the Stata
> commands that you invoked?
>
> Kind Regards,
> Carlo
> -----Messaggio originale-----
> Da: [email protected]
> [mailto:[email protected]]
> Per conto di [email protected]
> Inviato: giovedì 2 luglio 2009 14.01
> A: [email protected]
> Oggetto: st: help: bootstrap with GEE in stata
>
> Dear all,
>
> I am running these two types of commands in stata:
>
> bootstrap, reps(200): xtgee depvar indvar, fam(normal)
> link(id) i(case_no)
> t(week1_10) robust
>
> xi: xtgee depvar i.indvar, fam(normal) link(id) i(case_no)
> t(week1_10)
> vce(bootstrap, reps(200))
>
> The two commands give similar results for some of the
> variables, but for
> some of the variables I get very different results with
> respect to
> significance, for most of the variables I get significant
> results with the
> 1st command given above.
>
> The dependent variables are of very complex nature and does
> not follow the
> assumption of normality, independent variable is a
> categorical(0,1)
>
> I will really appreciate if somebody could add
> comments/suggestions on this
> query.
>
>
> Muhammad Riaz
>
>
> Muhammad Riaz
>
>
>
>
>
>
>
>
> *
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>
>
>
*
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