48 lines
1.6 KiB
PHP
48 lines
1.6 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 StandardizeTest extends TestCase
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{
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/**
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* @dataProvider providerSTANDARDIZE
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*
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* @param mixed $expectedResult
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*/
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public function testSTANDARDIZE($expectedResult, ...$args): void
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{
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$result = Statistical::STANDARDIZE(...$args);
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self::assertEqualsWithDelta($expectedResult, $result, 1E-12);
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}
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public function providerSTANDARDIZE(): array
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{
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return require 'tests/data/Calculation/Statistical/STANDARDIZE.php';
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}
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/**
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* @dataProvider providerStandardizeArray
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*/
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public function testStandardizeArray(array $expectedResult, string $argument1, string $argument2, string $argument3): void
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{
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$calculation = Calculation::getInstance();
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$formula = "=STANDARDIZE({$argument1}, {$argument2}, {$argument3})";
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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 providerStandardizeArray(): array
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{
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return [
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'row vector' => [[[-1.6666666666666667, -4.6666666666666667, -7.333333333333333, -10, -11.333333333333334]], '{12.5, 8, 4, 0, -2}', '15', '1.5'],
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'column vector' => [[[0.25], [0.0], [-1.0]], '{5.5; 5; 3}', '5.0', '2.0'],
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'matrix' => [[[0.25, -1.0], [-1.75, -2.75]], '{5.5, 3; 1.5, -0.5}', '5.0', '2.0'],
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];
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}
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}
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