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From |
"Wendell Joice" <wjoice@erols.com> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: Re: RE: Re: RE: Re: RE: one-sample chi square test |

Date |
Mon, 3 Feb 2003 16:30:46 -0500 |

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" <n.j.cox@durham.ac.uk> To: <statalist@hsphsun2.harvard.edu> 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 out-of-date copy of -chitest-.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 > n.j.cox@durham.ac.uk > > * > * 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/

**References**:**st: RE: Re: RE: Re: RE: one-sample chi square test***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

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