[Octave-bug-tracker] [bug #49961] sign_test() returns incorrect p-value

[Kai Torben Ohlhus]

Update of bug #49961 (project octave):

                  Status:                    None => Confirmed              

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Follow-up Comment #1:

Thank you for the report. The function `sign_test` hasn't been worked on for
years and is in contrast to `signtest` from the statistics package more Matlab
compatible [1]. To improve the situation, I see the options:

a) Replace the current `sign_test` by `signtest` from the statistics package.

b) Fix `sign_test` by an expert of that area.

Personally, I favor option a), as b) might take a long time to happen.

@Kirill Pushkaryov: Can you add some references to known tests for that
function?

[1]: https://www.mathworks.com/help/stats/signtest.html

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