weighted-mean

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Calculates the weighted mean of an array of numbers.

Installation

$ npm install weighted-mean - NPM
$ bower install weighted-mean - bower
The browser file is named index.umd.js which supports CommonJS, AMD and globals (weightedMean). If you want to run this module on old browsers, you must include es5-shim.

Usage

The example bellow is based on nodejs.

const weightedMean = require('weighted-mean');

const mean = weightedMean([
    [100, 2],   // 100 is the value, 2 is the weight
    [50, 4],
    [25, 1],
]);

Tests

$ npm test

License

Released under the MIT License.