59 lines
1.7 KiB
PHP
59 lines
1.7 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 ChiDistLeftTailTest 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 providerCHIDIST
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*
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* @param mixed $expectedResult
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*/
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public function testCHIDIST($expectedResult, ...$args): void
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{
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$result = Statistical\Distributions\ChiSquared::distributionLeftTail(...$args);
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self::assertEqualsWithDelta($expectedResult, $result, 1E-12);
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}
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public function providerCHIDIST(): array
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{
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return require 'tests/data/Calculation/Statistical/CHIDISTLeftTail.php';
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}
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/**
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* @dataProvider providerChiDistLeftTailArray
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*/
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public function testChiDistLeftTailArray(array $expectedResult, string $values, string $degrees): void
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{
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$calculation = Calculation::getInstance();
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$formula = "=CHISQ.DIST({$values}, {$degrees}, false)";
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$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 providerChiDistLeftTailArray(): 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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[0.0925081978822616, 0.12204152134938745, 0.0881791375107928],
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[0.007059977723446427, 0.03340047144527138, 0.07814672592526599],
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],
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'{3, 5, 8}',
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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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