2016-11-27 06:45:15 +00:00
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<?php
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error_reporting(E_ALL);
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set_time_limit(0);
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date_default_timezone_set('Europe/London');
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?>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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2016-11-27 15:51:44 +00:00
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<title>PhpSpreadsheet Calculation Examples</title>
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2016-11-27 06:45:15 +00:00
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</head>
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<body>
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<h1>DSTDEVP</h1>
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<h2>Calculates the standard deviation based on the entire population of selected database entries.</h2>
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<?php
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/** Include path **/
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set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/');
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2016-11-27 15:51:44 +00:00
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/** Include PhpSpreadsheet */
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2016-11-27 06:45:15 +00:00
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include 'PHPExcel.php';
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2016-11-27 15:51:44 +00:00
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// Create new PhpSpreadsheet object
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$spreadsheet = new PHPExcel();
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$worksheet = $spreadsheet->getActiveSheet();
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2016-11-27 06:45:15 +00:00
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// Add some data
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$database = [['Tree', 'Height', 'Age', 'Yield', 'Profit'],
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['Apple', 18, 20, 14, 105.00],
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['Pear', 12, 12, 10, 96.00],
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['Cherry', 13, 14, 9, 105.00],
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['Apple', 14, 15, 10, 75.00],
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['Pear', 9, 8, 8, 76.80],
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['Apple', 8, 9, 6, 45.00],
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];
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$criteria = [['Tree', 'Height', 'Age', 'Yield', 'Profit', 'Height'],
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['="=Apple"', '>10', null, null, null, '<16'],
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['="=Pear"', null, null, null, null, null],
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];
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$worksheet->fromArray($criteria, null, 'A1');
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$worksheet->fromArray($database, null, 'A4');
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$worksheet->setCellValue('A12', 'The standard deviation in the yield of Apple and Pear trees');
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$worksheet->setCellValue('B12', '=DSTDEVP(A4:E10,"Yield",A1:A3)');
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$worksheet->setCellValue('A13', 'The standard deviation in height of Apple and Pear trees');
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$worksheet->setCellValue('B13', '=DSTDEVP(A4:E10,2,A1:A3)');
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echo '<hr />';
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echo '<h4>Database</h4>';
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$databaseData = $worksheet->rangeToArray('A4:E10', null, true, true, true);
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var_dump($databaseData);
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echo '<hr />';
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// Test the formulae
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echo '<h4>Criteria</h4>';
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$criteriaData = $worksheet->rangeToArray('A1:A3', null, true, true, true);
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var_dump($criteriaData);
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echo $worksheet->getCell('A12')->getValue() . '<br />';
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echo 'DSTDEVP() Result is ' . $worksheet->getCell('B12')->getCalculatedValue() . '<br /><br />';
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echo '<h4>Criteria</h4>';
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$criteriaData = $worksheet->rangeToArray('A1:A3', null, true, true, true);
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var_dump($criteriaData);
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echo $worksheet->getCell('A13')->getValue() . '<br />';
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echo 'DSTDEVP() Result is ' . $worksheet->getCell('B13')->getCalculatedValue();
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?>
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<body>
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2012-03-27 22:16:36 +00:00
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</html>
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