[RESOLVED] Limit to count - chi-square test

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mpalima
Posts: 4
Joined: Sun Oct 28, 2018 5:34 am

[RESOLVED] Limit to count - chi-square test

Post by mpalima »

Hi

I am trying to do a chi-square test of association, where the count could reach values like 500,000. Jamovi won't finish. But if I try to bring it down to 50,000 then it takes a long while, but it does finish.

Is there a limit to the count ?

If I try to do the same thing using Rj editor, it's no problem.
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jonathon
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Joined: Fri Jan 27, 2017 10:04 am

Re: Limit to count - chi-square test

Post by jonathon »

can you attach a .omv file? we'll take a look.

with thanks
mpalima
Posts: 4
Joined: Sun Oct 28, 2018 5:34 am

Re: Limit to count - chi-square test

Post by mpalima »

Here it is. Thanks.
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chi2.omv
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jonathon
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Re: Limit to count - chi-square test

Post by jonathon »

hi,

the issue was that jamovi was calculating all the different statistics in the background, including kendall's tau, even when it didn't need to be. this was fine, except when there are a lot of counts, because kendall's tau is *very* slow with large counts.

i've changed it now so kendall's tau is only calculated when that checkbox is selected.

this will be in the next release, which should be in the next 24 hours.

thanks for reporting this, i really appreciate it.

jonathon
mpalima
Posts: 4
Joined: Sun Oct 28, 2018 5:34 am

Re: Limit to count - chi-square test

Post by mpalima »

Thanks Jonathon.

I really appreciate the quick response.
I'll wait for the update.

Kinds regards
Marisciel
mpalima
Posts: 4
Joined: Sun Oct 28, 2018 5:34 am

Re: Limit to count - chi-square test

Post by mpalima »

I just installed 0.9.5.12 and it is all good.
Huge thanks Jonathon.

Best regards
Marisciel
Asmaryadi
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Joined: Wed Jun 24, 2020 12:32 pm

Re: [RESOLVED] Limit to count - chi-square test

Post by Asmaryadi »

In SPSS, I can see the assumptions requirement of Chi-Square, like n more 20% of expected value < 5. How can I see in jamovi?
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jonathon
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Re: [RESOLVED] Limit to count - chi-square test

Post by jonathon »

hi,

create an issue on our github issues page, and we'll see what we can do (in future, you're better off starting a new thread, this one is from 2018!)

https://github.com/jamovi/jamovi/issues

cheers
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