Package Exports

compute-mean

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Readme

Mean

Computes the arithmetic mean over an array of values.

Installation

$ npm install compute-mean

Usage

var mean = require( 'compute-mean' );

Examples

var data = new Array( 1000 );

for ( var i = 0; i < data.length; i++ ) {
    data[ i ] = Math.random() * 100;
}

console.log( mean( data ) );

To run the example code from the top-level application directory,

$ node ./examples/index.js

Notes

For arrays exceeding memory constraints, you are encouraged to use streams; see flow-mean.

Tests

Unit

Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:

$ make test

All new feature development should have corresponding unit tests to validate correct functionality.

Test Coverage

This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:

$ make test-cov

Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,

$ open reports/coverage/lcov-report/index.html

License

MIT license.

compute-mean