@stdlib/stats-base-dists-binomial-skewness
Version:
Binomial distribution skewness.
60 lines (50 loc) • 1.3 kB
JavaScript
/**
* @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.
*/
;
// MODULES //
var addon = require( './../src/addon.node' );
// MAIN //
/**
* Returns the skewness of a binomial distribution with number of trials `n` and success probability `p`.
*
* @private
* @param {NonNegativeInteger} n - number of trials
* @param {Probability} p - success probability
* @returns {number} skewness
*
* @example
* var v = skewness( 100, 0.1 );
* // returns ~0.267
*
* @example
* var v = skewness( 20, 0.5 );
* // returns 0.0
*
* @example
* var v = skewness( 20, 1.1 );
* // returns NaN
*
* @example
* var v = skewness( 20, NaN );
* // returns NaN
*/
function skewness( n, p ) {
return addon( n, p );
}
// EXPORTS //
module.exports = skewness;