90 lines
2.6 KiB
PHP
90 lines
2.6 KiB
PHP
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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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<title>PHPExcel Calculation Examples</title>
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</head>
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<body>
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<h1>DSTDEV</h1>
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<h2>Estimates the standard deviation based on a sample 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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/** Include PHPExcel */
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include 'PHPExcel.php';
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// Create new PHPExcel object
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$objPHPExcel = new PHPExcel();
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$worksheet = $objPHPExcel->getActiveSheet();
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// Add some data
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$database = array( array( 'Tree', 'Height', 'Age', 'Yield', 'Profit' ),
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array( 'Apple', 18, 20, 14, 105.00 ),
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array( 'Pear', 12, 12, 10, 96.00 ),
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array( 'Cherry', 13, 14, 9, 105.00 ),
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array( 'Apple', 14, 15, 10, 75.00 ),
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array( 'Pear', 9, 8, 8, 76.80 ),
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array( 'Apple', 8, 9, 6, 45.00 ),
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);
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$criteria = array( array( 'Tree', 'Height', 'Age', 'Yield', 'Profit', 'Height' ),
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array( '="=Apple"', '>10', NULL, NULL, NULL, '<16' ),
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array( '="=Pear"', NULL, NULL, NULL, NULL, NULL )
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);
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$worksheet->fromArray( $criteria, NULL, 'A1' );
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$worksheet->fromArray( $database, NULL, 'A4' );
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$worksheet->setCellValue('A12', 'The estimated standard deviation in the yield of Apple and Pear trees');
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$worksheet->setCellValue('B12', '=DSTDEV(A4:E10,"Yield",A1:A3)');
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$worksheet->setCellValue('A13', 'The estimated standard deviation in height of Apple and Pear trees');
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$worksheet->setCellValue('B13', '=DSTDEV(A4:E10,2,A1:A3)');
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echo '<hr />';
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echo '<h4>Database</h4>';
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$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 'DSTDEV() 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 'DSTDEV() Result is ' . $worksheet->getCell("B13")->getCalculatedValue();
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?>
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<body>
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</html>
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