ui
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+20
@@ -0,0 +1,20 @@
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'use strict';
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module.exports = function median(key) {
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var length = this.items.length;
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if (key === undefined) {
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if (length % 2 === 0) {
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return (this.items[length / 2 - 1] + this.items[length / 2]) / 2;
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}
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return this.items[Math.floor(length / 2)];
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}
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if (length % 2 === 0) {
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return (this.items[length / 2 - 1][key] + this.items[length / 2][key]) / 2;
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}
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return this.items[Math.floor(length / 2)][key];
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};
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