55 lines
1.5 KiB
PHP
55 lines
1.5 KiB
PHP
<?php
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namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\Statistical;
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
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use PhpOffice\PhpSpreadsheet\Calculation\Statistical;
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use PHPUnit\Framework\TestCase;
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class ZTestTest extends TestCase
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{
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/**
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* @dataProvider providerZTEST
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*
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* @param mixed $expectedResult
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* @param mixed $value
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* @param mixed $dataSet
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* @param null|mixed $sigma
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*/
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public function testZTEST($expectedResult, $dataSet, $value, $sigma = null): void
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{
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$result = Statistical::ZTEST($dataSet, $value, $sigma);
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self::assertEqualsWithDelta($expectedResult, $result, 1E-12);
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}
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public function providerZTEST(): array
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{
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return require 'tests/data/Calculation/Statistical/ZTEST.php';
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}
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/**
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* @dataProvider providerZTestArray
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*/
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public function testZTestArray(array $expectedResult, string $dataSet, string $m0): void
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{
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$calculation = Calculation::getInstance();
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$formula = "=ZTEST({$dataSet}, {$m0})";
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$result = $calculation->_calculateFormulaValue($formula);
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self::assertEqualsWithDelta($expectedResult, $result, 1.0e-14);
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}
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public function providerZTestArray(): array
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{
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return [
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'row vector' => [
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[
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[0.09057419685136381, 0.4516213175273426, 0.8630433891295299],
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],
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'{3, 6, 7, 8, 6, 5, 4, 2, 1, 9}',
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'{4, 5, 6}',
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],
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];
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}
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}
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