Press n or j to go to the next uncovered block, b, p or k for the previous block.
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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';
// MODULES //
var addon = require( './../src/addon.node' );
// MAIN //
/**
* Returns the expected value of a hypergeometric distribution.
*
* @private
* @param {NonNegativeInteger} N - population size
* @param {NonNegativeInteger} K - subpopulation size
* @param {NonNegativeInteger} n - number of draws
* @returns {NonNegativeNumber} expected value
*
* @example
* var v = mean( 16, 11, 4 );
* // returns 2.75
*
* @example
* var v = mean( 2, 1, 1 );
* // returns 0.5
*
* @example
* var v = mean( 10, 5, 12 );
* // returns NaN
*
* @example
* var v = mean( 10.3, 10, 4 );
* // returns NaN
*
* @example
* var v = mean( 10, 5.5, 4 );
* // returns NaN
*
* @example
* var v = mean( 10, 5, 4.5 );
* // returns NaN
*
* @example
* var v = mean( NaN, 10, 4 );
* // returns NaN
*
* @example
* var v = mean( 20, NaN, 4 );
* // returns NaN
*
* @example
* var v = mean( 20, 10, NaN );
* // returns NaN
*/
function mean( N, K, n ) {
return addon( N, K, n );
}
// EXPORTS //
module.exports = mean;
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