All files / stats/incr/nanmpcorr/lib index.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2025 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 sample Pearson product-moment correlation coefficient incrementally, ignoring `NaN` values.
*
* @module @stdlib/stats/incr/nanmpcorr
*
* @example
* var incrnanmpcorr = require( '@stdlib/stats/incr/nanmpcorr' );
*
* var accumulator = incrnanmpcorr( 3 );
*
* var r = accumulator();
* // returns null
*
* r = accumulator( 2.0, 1.0 );
* // returns 0.0
*
* r = accumulator( -2.0, NaN );
* // returns 0.0
*
* r = accumulator( -5.0, 3.14 );
* // returns ~-1.0
*
* r = accumulator( NaN, 2.71 );
* // returns ~-1.0
*
* r = accumulator( 3.0, -1.0 );
* // returns ~-0.925
*
* r = accumulator( 5.0, -9.5 );
* // returns ~-0.863
*
* r = accumulator();
* // returns ~-0.863
*/
 
// MODULES //
 
var main = require( './main.js' );
 
 
// EXPORTS //
 
module.exports = main;