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2 votes
0 answers
33 views

Find at least one distribution with given parameters [closed]

There is a continuous probability distribution that I have only limited information about. I know that its PDF is a smooth unimodal function with exactly $2$ inflection points; I also know numeric ...
Vladimir Reshetnikov's user avatar
2 votes
2 answers
141 views

Can I impose some a priori constraints on a distribution found by SmoothKernelDistribution?

I use SmoothKernelDistribution (with no options and a single argument — a list of values) to get an approximate reconstruction of a continuous distribution based on ...
Vladimir Reshetnikov's user avatar
6 votes
1 answer
163 views

How is N[Mean[distribution]] evaluated?

Particularly when applied to calculating the (population) mean of a (continuous univariate) random variable, as in ...
Vicent's user avatar
  • 1,121
5 votes
0 answers
75 views

How to pass a custom method to a particular option?

In an answer to my question More efficient method to compute moments of the Johnson $S_B$ distribution, J. M. has come up with a method to compute the moments of the Johnson $S_B$ distribution, which ...
მამუკა ჯიბლაძე's user avatar
21 votes
3 answers
747 views

More efficient method to compute moments of the Johnson $S_B$ distribution

Here is a very specific feature request. I need Mean[JohnsonDistribution["SB", γ, δ, 0, 1]] When I issue e.g. ...
მამუკა ჯიბლაძე's user avatar
4 votes
1 answer
141 views

Why doesn't NSolve work for this equality? Wildly incorrect solutions are given in certain cases

I am trying to write a function that solves for p in the following equation: PDF[BinomialDistribution[n, p], x] == op The ...
Joe Crivello's user avatar
9 votes
1 answer
526 views

Finding skewness and kurtosis numerically in Mathematica

I have a function given by ...
SA-255525's user avatar
  • 143
16 votes
2 answers
2k views

How to compute the inverse CDF of HyperbolicDistribution properly?

Fixed in version 9. I want to compute the CDF and inverse CDF of the hyperbolic distribution: ...
AUK1939's user avatar
  • 1,503