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on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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[d24f17c] | 1 | var _curry1 =
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| 2 | /*#__PURE__*/
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| 3 | require("./internal/_curry1.js");
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| 4 |
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| 5 | var mean =
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| 6 | /*#__PURE__*/
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| 7 | require("./mean.js");
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| 8 | /**
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| 9 | * Returns the median of the given list of numbers.
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| 10 | *
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| 11 | * @func
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| 12 | * @memberOf R
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| 13 | * @since v0.14.0
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| 14 | * @category Math
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| 15 | * @sig [Number] -> Number
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| 16 | * @param {Array} list
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| 17 | * @return {Number}
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| 18 | * @see R.mean
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| 19 | * @example
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| 20 | *
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| 21 | * R.median([2, 9, 7]); //=> 7
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| 22 | * R.median([7, 2, 10, 9]); //=> 8
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| 23 | * R.median([]); //=> NaN
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| 24 | */
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| 25 |
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| 26 |
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| 27 | var median =
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| 28 | /*#__PURE__*/
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| 29 | _curry1(function median(list) {
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| 30 | var len = list.length;
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| 31 |
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| 32 | if (len === 0) {
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| 33 | return NaN;
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| 34 | }
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| 35 |
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| 36 | var width = 2 - len % 2;
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| 37 | var idx = (len - width) / 2;
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| 38 | return mean(Array.prototype.slice.call(list, 0).sort(function (a, b) {
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| 39 | return a < b ? -1 : a > b ? 1 : 0;
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| 40 | }).slice(idx, idx + width));
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| 41 | });
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| 42 |
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| 43 | module.exports = median; |
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