Ooops!
Nick, You are absolutely right. I have now installed the uptodate version
of -chitest- and it works like a charm. Also, I have taken note of and will
work with your other comments. Thanks again!!
----- Original Message -----
From: "Nick Cox" <[email protected]>
To: <[email protected]>
Sent: Monday, February 03, 2003 4:57 AM
Subject: st: RE: Re: RE: Re: RE: one-sample chi square test
> Wendell Joice
>
> > chitest rep78, count
> > count invalid
> > r(198);
>
> My guess is that this is because you are using an
> out-of-date copy of -chitest-. Perhaps you downloaded
> the program from http://www.stata.com/users/njc/tab_chi
> which holds an older version (supposedly, for any remaining
> users of Stata 5.0; any such on Statalist?).
>
> The version on SSC allows the -count- option, which is
> why it worked for me.
>
> > I have no data with '0' observed values.
>
> You will, some day!
>
> > DO FILE
> > .do chitest SEX "& racewbh==3 & csample==1"
> >
> > .forval i = 0/5 {
> > 2. qui count if `1'== `i' `2'
> > 3. if r(N)==0 {
> > 4. continue
> > 5. }
> > 6. local counts "`counts' `r(N)'"
> > 7. }
> >
> > . di "`counts'
> > 950 767
> >
> > . chitesti `counts'
> >
> > Chi-square test:
> > observed frequencies from keyboard
> > expected frequencies equal
> >
> > Pearson chi2(1) = 19.5044 Pr = 0.000
> > likelihood-ratio chi2(1) = 19.5415 Pr = 0.000
> >
> > residuals
> > observed expected classic Pearson
> > 1. 950 858.500 91.500 3.123
> > 2. 767 858.500 -91.500 -3.123
> >
> > . macro drop _counts
> >
> > . end of do-file
>
> The macro will get dropped anyway, as it
> is local, and thus invisible outside the .do file,
> but this does no harm.
>
> Nick
> [email protected]
>
> *
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>
*
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