/** * @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 mean percentage error incrementally. * * @module @stdlib/stats/incr/mmpe * * @example * var incrmmpe = require( '@stdlib/stats/incr/mmpe' ); * * var accumulator = incrmmpe( 3 ); * * var m = accumulator(); * // returns null * * m = accumulator( 2.0, 3.0 ); * // returns ~33.33 * * m = accumulator( 5.0, 2.0 ); * // returns ~-58.33 * * m = accumulator( 3.0, 2.0 ); * // returns ~-55.56 * * m = accumulator( 2.0, 5.0 ); * // returns ~-46.67 * * m = accumulator(); * // returns ~-46.67 */ // MODULES // var incrmmpe = require( './main.js' ); // EXPORTS // module.exports = incrmmpe;