/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; /** * Compute a moving arithmetic mean and unbiased sample variance incrementally. * * @module @stdlib/stats/incr/mmeanvar * * @example * var incrmmeanvar = require( '@stdlib/stats/incr/mmeanvar' ); * * var accumulator = incrmmeanvar( 3 ); * * var v = accumulator(); * // returns null * * v = accumulator( 2.0 ); * // returns [ 2.0, 0.0 ] * * v = accumulator( -5.0 ); * // returns [ -1.5, 24.5 ] * * v = accumulator( 3.0 ); * // returns [ 0.0, 19.0 ] * * v = accumulator( 5.0 ); * // returns [ 1.0, 28.0 ] * * v = accumulator(); * // returns [ 1.0, 28.0 ] */ // MODULES // var incrmmeanvar = require( './main.js' ); // EXPORTS // module.exports = incrmmeanvar;