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x/simplestatistics/src/median.js

simple statistics for node & browser javascript
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import quantile from "./quantile.js";
/** * The [median](http://en.wikipedia.org/wiki/Median) is * the middle number of a list. This is often a good indicator of 'the middle' * when there are outliers that skew the `mean()` value. * This is a [measure of central tendency](https://en.wikipedia.org/wiki/Central_tendency): * a method of finding a typical or central value of a set of numbers. * * The median isn't necessarily one of the elements in the list: the value * can be the average of two elements if the list has an even length * and the two central values are different. * * @param {Array<number>} x input * @returns {number} median value * @example * median([10, 2, 5, 100, 2, 1]); // => 3.5 */function median(x) { return +quantile(x, 0.5);}
export default median;