65 lines
2.0 KiB
PHP
65 lines
2.0 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\Functions;
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use PhpOffice\PhpSpreadsheet\Calculation\Statistical;
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use PHPUnit\Framework\TestCase;
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class ChiInvRightTailTest extends TestCase
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{
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protected function setUp(): void
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{
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Functions::setCompatibilityMode(Functions::COMPATIBILITY_EXCEL);
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}
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/**
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* @dataProvider providerCHIINV
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*
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* @param mixed $expectedResult
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* @param mixed $probability
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* @param mixed $degrees
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*/
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public function testCHIINV($expectedResult, $probability, $degrees): void
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{
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$result = Statistical::CHIINV($probability, $degrees);
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if (!is_string($expectedResult)) {
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$reverse = Statistical\Distributions\ChiSquared::distributionRightTail($result, $degrees);
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self::assertEqualsWithDelta($probability, $reverse, 1E-12);
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}
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self::assertEqualsWithDelta($expectedResult, $result, 1E-12);
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}
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public function providerCHIINV(): array
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{
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return require 'tests/data/Calculation/Statistical/CHIINVRightTail.php';
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}
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/**
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* @dataProvider providerChiInvRightTailArray
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*/
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public function testChiInvRightTailArray(array $expectedResult, string $probabilities, string $degrees): void
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{
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$calculation = Calculation::getInstance();
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$formula = "=CHISQ.INV.RT({$probabilities}, {$degrees})";
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$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 providerChiInvRightTailArray(): array
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{
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return [
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'row/column vectors' => [
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[
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[7.8061229155968075, 6.345811195521517, 100.0],
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[13.266097125199911, 11.34032237742413, 24.388802783239434],
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],
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'{0.35, 0.5, 0.018}',
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'{7; 12}',
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],
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];
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}
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}
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