(35S) Statistical Distributions Functions
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10-26-2015, 09:28 PM
Post: #8
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RE: HP 35s Statistical Distributions Functions
For the Chi-squared distribution you just have to calculate a different PDF:
The factor \(\frac{1}{2^{\frac{k}{2}}\Gamma\left(\frac{k}{2}\right)}\) has to be calculated only once as long as the degrees of freedom k doesn't change. This can be done similar to program T. The value of the distribution has to be calculated in program D. The other programs don't change. For the F-distribution you have to calculate: with parameters \(d_1\) and \(d_2\). To calculate the beta function we can use: Together with the program for the Student's t-distribution it should be possible to create the missing programs. Cheers Thomas |
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