54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
/**
|
|
* @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';
|
|
|
|
// MODULES //
|
|
|
|
var factory = require( './factory.js' );
|
|
|
|
|
|
// MAIN //
|
|
|
|
/**
|
|
* Samples elements from an array-like object.
|
|
*
|
|
* @name sample
|
|
* @type {Function}
|
|
* @param {ArrayLike} x - array-like object from which to sample
|
|
* @param {Options} [options] - function options
|
|
* @param {NonNegativeInteger} [options.size] - sample size
|
|
* @param {ProbabilityArray} [options.probs] - element probabilities
|
|
* @param {boolean} [options.replace=true] - boolean indicating whether to sample with replacement
|
|
* @throws {TypeError} first argument must be array-like
|
|
* @throws {TypeError} options argument must be an object
|
|
* @throws {TypeError} must provide valid options
|
|
* @throws {RangeError} `size` option must be less than or equal to the length of `x` when the `replace` option is `false`
|
|
* @returns {Array} sample
|
|
*
|
|
* @example
|
|
* var out = sample( [ 3, null, NaN, 'abc', function(){} ] );
|
|
* // e.g., returns [ 3, 'abc', null, 3, null ]
|
|
*/
|
|
var sample = factory();
|
|
|
|
|
|
// EXPORTS //
|
|
|
|
module.exports = sample;
|