Variances and Propotions test

Discuss the jamovi platform, possible improvements, etc.

by LiborB. » Fri Apr 13, 2018 12:25 pm

Hello,

I have a question about possibility of adding Variance test (1-Variance, 2-Variances Levene's test) and Propotion test.

Thank you.

LiborB.
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by jonathon » Fri Apr 13, 2018 10:19 pm

hi,

so normally a levene's test is used when testing assumptions for an existing analysis, so we do include this in a few places (for example, in the independent samples t-test).

if you look under the frequency menu, you'll find our proportion tests; binomial, and goodness of fit.

is that what you're after?

cheers

jonathon
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by vmoreno » Tue Apr 24, 2018 5:44 pm

Hi,
Improvement suggestion:

In contingency tables results for a 2x2 table, in addition to the logOR, OR and RR, I also would like to see the absolute difference in proportions and 95%CI as reported in prop.test.
The inverse of the absolute difference is the number needed to treat, used to assess the potential impact of interventions.

Victor
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