5 votes
Accepted

How to write a Bivariate custom distribution, calculate p value and other properties?

$Version (* "13.1.0 for Mac OS X x86 (64-bit) (June 16, 2022)" *) Clear["Global`*"] When posting data, use the proper list structure. ...
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3 votes

How to restrict FindDistribution to real-valued distributions

I agree with OP that this is some kind of bug, in Version 12.3 at least. Compare: With exact parameters: ...
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3 votes
Accepted

What's wrong in my custom distribution?

Here is an explanation why Mathematica and other software packages have trouble with this particular probability distribution. ...
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2 votes

How to plot copula using contourplots

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  • 61.6k
2 votes

What's wrong in my custom distribution?

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  • 123k
2 votes

How to restrict FindDistribution to real-valued distributions

If we ignore that feeding just 3 data points to a black box function that estimates a distribution is rarely recommended, there is a simple workaround that avoids obtaining complex numbers. Look at ...
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  • 34.8k
2 votes

How to restrict FindDistribution to real-valued distributions

I think decimals cause it. The following works well. d = TruncatedDistribution[{1, 7}, Rationalize[FindDistribution[{3, 3.4, 3.6, 4}], 0]] CDF[d, 5] // N ...
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1 vote
Accepted

what is wrong in my code for calculate parameters bivariate distribution?

The Mathematica code above is from the appendix of https://www.naturalspublishing.com/files/published/p6x2vhc2x96687.pdf but unfortunately it is not formatted properly to import directly into ...
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1 vote
Accepted

How to find maximum likelihood parameter estimates for a custom bivariate distribution?

In this case I think one needs to construct the log likelihood "from scratch" and use a high WorkingPrecision. ...
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