/**
* makePowerRegression
*
* Factory function to return a regression object set up to perform
* regressions against data fitted with the equation
*
* y = a * x1^b1 * x2^b2 * ... * xn^bn
*
* @return static
*/
public static function makePowerRegression(RegressionAlgorithmInterface $regressionStrategy = null)
{
$regression = Regression::makePowerRegression($regressionStrategy);
$simple = new static();
$simple->regression = $regression;
return $simple;
}
*
* You should have received a copy of the GNU Affero General Public License
* along with Exakat. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <http://exakat.io/>.
*
*/
include '/Users/famille/.composer/vendor/autoload.php';
use mcordingley\Regression\Regression;
use mcordingley\Regression\RegressionAlgorithm\LinearLeastSquares;
$files = glob('projects/*');
$fp = fopen('timing.csv', 'w+');
fputcsv($fp, array('project', 'initialSize', 'size', 'buildRoot', 'tokenizer', 'analyze', 'final'));
$total = 0;
//$regression = new Regression(new LinearLeastSquares);
$regression = new Regression();
foreach ($files as $id => $file) {
unset($project, $initialSize, $size, $buildRoot, $tokenizer, $analyze, $final);
list(, $project) = explode('/', $file);
if (in_array($project, array('test'))) {
continue;
}
if (!file_exists("projects/{$project}/log/project.timing.csv")) {
print "{$project}\n";
continue;
}
$content = file_get_contents("projects/{$project}/log/project.timing.csv");
if (!preg_match("#Tokenizer\t([0-9\\.]+)#is", $content, $r)) {
continue;
}
$tokenizer = $r[1];
