[WP34S] ChiSquare Distribution

01122014, 10:21 PM
Post: #11




RE: [WP34S] ChiSquare Distribution
(01122014 09:38 PM)Paul Dale Wrote: Turning trace mode on lets you single step through xrom. Seems we found the first error. Take a look at the initial estimates for 0,05 and 0,95. They are the same. In the center, the guess is based on the Normal estimate, so that I assume there might be a problem there. You may want to check if the Normal estimate returns the same absolute value with opposite signs for 0,05 and 0,95. Back then we discussed different possible ways to provide a good estimate for the Chi^2 quantile. So the version I tried yesterday may be different from the one that actually got implemented. But anyway, here are the results from a slightly simplified method and df=20: Code: p quantile estimate Dieter 

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