PHP code example of herilesmana / c45

1. Go to this page and download the library: Download herilesmana/c45 library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

herilesmana / c45 example snippets




45\C45;

$filename = __DIR__ . '/data.csv';

$c45 = new C45([
                'targetAttribute' => 'play',
                'type' => 'file',
                'trainingData' => $filename,
                'splitCriterion' => C45::SPLIT_GAIN,
            ]);

$tree = $c45->buildTree();
$treeString = $tree->toString();

// print generated tree
echo '<pre>';
print_r($treeString);
echo '</pre>';

$testingData = [
    'outlook' => 'sunny',
    'windy' => 'false',
    'humidity' => 'high',
];

echo $tree->classify($testingData); // prints 'no'





5\C45;

$attributes = [...];
$data = [...];

$c45 = new C45([
                'targetAttribute' => 'play',
                'type' => 'array',
                'trainingData' => [
                    'attributes' => $attributes,
                    'data' => $data
                ],
                'splitCriterion' => C45::SPLIT_GAIN,
            ]);

$tree = $c45->buildTree();
$treeString = $tree->toString();

// print generated tree
echo '<pre>';
print_r($treeString);
echo '</pre>';

$testingData = [
    'outlook' => 'sunny',
    'windy' => 'false',
    'humidity' => 'high',
];

echo $tree->classify($testingData); // prints 'no'


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