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First decile and last decile #13

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Odonno opened this issue Aug 22, 2019 · 0 comments · May be fixed by #14

Odonno commented Aug 22, 2019

It could be interesting to provide firstDecile and lastDecile functions which are often used in statistics.

I already wrote something like that:

const decile = (array, decile) => percentile(array, decile / 10); // if percentile is between 0 and 1
const firstDecile = (array) => decile(array, 1);
const lastDecile = (array) => decile(array, 9);

Also, notice that I would have expect percentile parameter to be between 0 and 100, like explained in the wikipedia documentation: https://en.wikipedia.org/wiki/Percentile#The_nearest-rank_method

The text was updated successfully, but these errors were encountered:

Odonno linked a pull request

that will close this issue

feat: add decile function #14

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