my results on Pentium 3 and Win2000 machine:
Stata executable
folder: C:\Stata8\
name of file: wsestata.exe
currently installed: 17 Dec 2004
Ado-file updates
folder: C:\Stata8\ado\updates\
names of files: (various)
currently installed: 20 Dec 2004
. tabi 27879 35177 29377 17201 \ 118 187 183 65, e chi2
| col
row | 1 2 3 4 | Total
-----------+--------------------------------------------+----------
1 | 27,879 35,177 29,377 17,201 | 109,634
2 | 118 187 183 65 | 553
-----------+--------------------------------------------+----------
Total | 27,997 35,364 29,560 17,266 | 110,187
Pearson chi2(3) = 17.7073 Pr = 0.001
Fisher's exact = 1.000
best
giovanni
Giovanni Bader MD, PhD
Outcome Research, Pfizer Italia Srl
mobile: +393357693404
-----Messaggio originale-----
Da: [email protected]
[mailto:[email protected]]Per conto di Elizabeth
Allred
Inviato: mercoled� 22 dicembre 2004 20.00
A: [email protected]
Oggetto: RE: st: _tabi, exact_ gives obviously wrong P-value
More fuel for the fire... As you can see, I'm lazy. BUT, I have the
newer version of tabi (Marcello has the older one) but an older Stata
executable than Tom. My combination gives the right answer.
Liz
. update
Stata executable
folder: C:\Stata8\
name of file: wsestata.exe
currently installed: 23 Jul 2004
Ado-file updates
folder: C:\Stata8\ado\updates\
names of files: (various)
currently installed: 20 Aug 2004
. which tabi
C:\Stata8\ado\updates\t\tabi.ado
*! version 2.0.5 13jul2004
. tabi 27879 35177 29377 17201 \ 118 187 183 65, e chi2
| col
row | 1 2 3 4 | Total
-----------+--------------------------------------------+----------
1 | 27,879 35,177 29,377 17,201 | 109,634
2 | 118 187 183 65 | 553
-----------+--------------------------------------------+----------
Total | 27,997 35,364 29,560 17,266 | 110,187
Pearson chi2(3) = 17.7073 Pr = 0.001
Fisher's exact = 0.001
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of
> Marcello Pagano
> Sent: Wednesday, December 22, 2004 1:39 PM
> To: [email protected]
> Subject: Re: st: _tabi, exact_ gives obviously wrong P-value
>
>
> Another example of "old is good" -- I see more and more
> of these as I get older!!
>
> The tabi I have on this machine:
>
> . which tabi
> C:\Stata8\ado\base\t\tabi.ado
> *! version 2.0.4 26apr1999
>
> m.p.
>
> Steichen, Thomas J. wrote:
>
> >Marcello Pagano wrote:
> >
> >
> >
> >>. tabi 27879 35177 29377 17201 \ 118 187 183 65, e chi2
> >>
> >> | col
> >> row | 1 2 3 4 | Total
> >>-----------+--------------------------------------------+----------
> >> 1 | 27,879 35,177 29,377 17,201 | 109,634
> >> 2 | 118 187 183 65 | 553
> >>-----------+--------------------------------------------+----------
> >> Total | 27,997 35,364 29,560 17,266 | 110,187
> >>
> >> Pearson chi2(3) = 17.7073 Pr = 0.001
> >> Fisher's exact = 0.001
> >>
> >>Hmmmm It worked for me?
> >>
> >>
> >
> >What version of tabi and Stata are you running, Marcello?
> >
> >I get:
> >
> >.. tabi 27879 35177 29377 17201 \ 118 187 183 65, e chi2
> >
> > | col
> > row | 1 2 3 4 | Total
> >-----------+--------------------------------------------+----------
> > 1 | 27,879 35,177 29,377 17,201 | 109,634
> > 2 | 118 187 183 65 | 553
> >-----------+--------------------------------------------+----------
> > Total | 27,997 35,364 29,560 17,266 | 110,187
> >
> > Pearson chi2(3) = 17.7073 Pr = 0.001
> > Fisher's exact = 1.000
> >
> >.. which tabi
> >C:\Stata8\ado\updates\t\tabi.ado
> >*! version 2.0.5 13jul2004
> >
> >Stata executable
> > folder: C:\Stata8\
> > name of file: wsestata.exe
> > currently installed: 06 Oct 2004
> >Ado-file updates
> > folder: C:\Stata8\ado\updates\
> > names of files: (various)
> > currently installed: 24 Nov 2004
> >
> >Tom
> >
> >
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
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*
* For searches and help try:
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* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
