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