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Diffstat (limited to 'libraries/PHPExcel/PHPExcel/Shared/trend/linearBestFitClass.php')
| -rw-r--r-- | libraries/PHPExcel/PHPExcel/Shared/trend/linearBestFitClass.php | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/libraries/PHPExcel/PHPExcel/Shared/trend/linearBestFitClass.php b/libraries/PHPExcel/PHPExcel/Shared/trend/linearBestFitClass.php deleted file mode 100644 index 2808fb4f3e..0000000000 --- a/libraries/PHPExcel/PHPExcel/Shared/trend/linearBestFitClass.php +++ /dev/null @@ -1,81 +0,0 @@ -<?php -/** - * PHPExcel - * - * Copyright (c) 2006 - 2009 PHPExcel - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * @category PHPExcel - * @package PHPExcel_Shared_Best_Fit - * @copyright Copyright (c) 2006 - 2009 PHPExcel (http://www.codeplex.com/PHPExcel) - * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL - * @version 1.7.0, 2009-08-10 - */ - - -/** PHPExcel root directory */ -if (!defined('PHPEXCEL_ROOT')) { - /** - * @ignore - */ - define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../../'); -} - -require_once(PHPEXCEL_ROOT . 'PHPExcel/Shared/trend/bestFitClass.php'); - - -/** - * PHPExcel_Linear_Best_Fit - * - * @category PHPExcel - * @package PHPExcel_Shared_Best_Fit - * @copyright Copyright (c) 2006 - 2009 PHPExcel (http://www.codeplex.com/PHPExcel) - */ -class PHPExcel_Linear_Best_Fit extends PHPExcel_Best_Fit -{ - protected $_bestFitType = 'linear'; - - - public function getValueOfYForX($xValue) { - return $this->getIntersect() + $this->getSlope() * $xValue; - } // function getValueOfYForX() - - - public function getValueOfXForY($yValue) { - return ($yValue - $this->getIntersect()) / $this->getSlope(); - } // function getValueOfXForY() - - - public function getEquation($dp=0) { - $slope = $this->getSlope($dp); - $intersect = $this->getIntersect($dp); - - return 'Y = '.$intersect.' + '.$slope.' * X'; - } // function getEquation() - - - private function _linear_regression($yValues, $xValues, $const) { - $this->_leastSquareFit($yValues, $xValues,$const); - } // function _linear_regression() - - - function __construct($yValues, $xValues=array(), $const=True) { - if (parent::__construct($yValues, $xValues) !== False) { - $this->_linear_regression($yValues, $xValues, $const); - } - } // function __construct() - -} // class linearBestFit
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