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 stride2offset = require( '@stdlib/strided/base/stride2offset' );
var ndarray = require( './ndarray.js' );
// MAIN //
/**
* Computes a two-sample Z-test for a strided array.
*
* @param {PositiveInteger} N - number of indexed elements
* @param {string} alternative - alternative hypothesis
* @param {number} alpha - significance level
* @param {number} mu - mean under the null hypothesis
* @param {PositiveNumber} sigmax - known standard deviation of `x`
* @param {Collection} x - input array
* @param {integer} strideX - stride length for `x`
* @param {PositiveNumber} sigmay - known standard deviation of `y`
* @param {Collection} y - input array
* @param {integer} strideY - stride length for `y`
* @param {Object} out - output results object
* @returns {Object} results object
*
* @example
* var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float64' );
*
* var x = [ 4.0, 4.0, 6.0, 6.0, 5.0 ];
* var y = [ 3.0, 3.0, 5.0, 7.0, 7.0 ];
*
* var results = new Results();
* var out = ztest2( x.length, 'two-sided', 0.05, 0.0, 1.0, x, 1, 2.0, y, 1, results );
* // returns {...}
*
* var bool = ( out === results );
* // returns true
*/
function ztest2( N, alternative, alpha, mu, sigmax, x, strideX, sigmay, y, strideY, out ) { // eslint-disable-line max-len, max-params
return ndarray( N, alternative, alpha, mu, sigmax, x, strideX, stride2offset( N, strideX ), sigmay, y, strideY, stride2offset( N, strideY ), out ); // eslint-disable-line max-len
}
// EXPORTS //
module.exports = ztest2;
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