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Jul 5, 2022 at 11:22 comment added user69189 @Josef stats.meta.stackexchange.com/questions/6345/…
Jul 5, 2022 at 11:05 comment added user69189 @Josef Thanks for this very useful comment. It helped me in my now deleted question !
Mar 20, 2016 at 22:22 comment added Josef ppf is the inverse cdf, so it should be 1-alpha for the upper tail of the chisquare distribution. However, you can also use the corresponding survival function, isf for the critical value and sf for the pvalue, for those it should be alpha (0.05) directly.
Mar 20, 2016 at 19:16 comment added Pavel Akapian Could you tell me, please, should I call chi2.ppf with alpha (= 0.05) or 1-alpha (=0.095) ? I think it's my fault.
Mar 20, 2016 at 18:09 history answered Josef CC BY-SA 3.0