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[Utility & Helpers](/categories/utility) 4. / 5. medansoftware/c45-algorithm-php ActiveLibrary[Utility & Helpers](/categories/utility) medansoftware/c45-algorithm-php =============================== 1.0.2(4y ago)122928MITPHPPHP >=5.5 Since Nov 20Pushed 1y ago1 watchersCompare [ Source](https://github.com/MedanSoftware/C45-Algorithm-PHP)[ Packagist](https://packagist.org/packages/medansoftware/c45-algorithm-php)[ RSS](/packages/medansoftware-c45-algorithm-php/feed)WikiDiscussions master Synced 1w ago READMEChangelog (1)Dependencies (1)Versions (4)Used By (0) C45 Algorithm - PHP Language ============================ [](#c45-algorithm---php-language) > [**Use Example File**](example.xlsx) Installation ------------ [](#installation) The recommended way to install the C45 PHP library is through [Composer](https://getcomposer.org) : ``` composer require medansoftware/c45-algorithm-php ``` Manual Installation ------------------- [](#manual-installation) ``` composer dump-autoload ``` Setup ----- [](#setup) ``` $c45 = new Algorithm\C45('example.xlsx', 'PLAY'); $initialize = $c45->initialize(); // initialize $buildTree = $initialize->buildTree(); // build tree $arrayTree = $buildTree->toArray(); // set to array $stringTree = $buildTree->toString(); // set to string echo ""; print_r ($arrayTree); echo ""; echo $stringTree; ``` or ``` $c45 = new Algorithm\C45(); $c45->loadFile('example.xlsx'); // load example file $c45->setTargetAttribute('PLAY'); // set target attribute $initialize = $c45->initialize(); // initialize $buildTree = $initialize->buildTree(); // build tree $arrayTree = $buildTree->toArray(); // set to array $stringTree = $buildTree->toString(); // set to string echo ""; print_r ($arrayTree); echo ""; echo $stringTree; ``` Other Examples -------------- [](#other-examples) ``` $c45 = new Algorithm\C45(); $c45->loadFile('example.xlsx')->setTargetAttribute('PLAY')->initialize(); echo ""; print_r ($c45->buildTree()->toString()); // print as string echo ""; echo ""; print_r ($c45->buildTree()->toJson()); // print as JSON echo ""; echo ""; print_r ($c45->buildTree()->toArray()); // print as array echo ""; ``` Initialize Data from Array -------------------------- [](#initialize-data-from-array) ``` $c45 = new Algorithm\C45(); $input = new Algorithm\C45\DataInput; $data = array( array( "OUTLOOK" => "Sunny", "TEMPERATURE" => "Hot", "HUMIDITY" => "High", "WINDY" => "False", "PLAY" => "No" ), array( "OUTLOOK" => "Sunny", "TEMPERATURE" => "Hot", "HUMIDITY" => "High", "WINDY" => "True", "PLAY" => "No" ), array( "OUTLOOK" => "Cloudy", "TEMPERATURE" => "Hot", "HUMIDITY" => "High", "WINDY" => "False", "PLAY" => "Yes" ), array( "OUTLOOK" => "Rainy", "TEMPERATURE" => "Mild", "HUMIDITY" => "High", "WINDY" => "False", "PLAY" => "Yes" ), array( "OUTLOOK" => "Rainy", "TEMPERATURE" => "Cool", "HUMIDITY" => "Normal", "WINDY" => "False", "PLAY" => "Yes" ), array( "OUTLOOK" => "Rainy", "TEMPERATURE" => "Cool", "HUMIDITY" => "Normal", "WINDY" => "True", "PLAY" => "No" ), array( "OUTLOOK" => "Cloudy", "TEMPERATURE" => "Cool", "HUMIDITY" => "Normal", "WINDY" => "True", "PLAY" => "Yes" ), array( "OUTLOOK" => "Sunny", "TEMPERATURE" => "Mild", "HUMIDITY" => "High", "WINDY" => "False", "PLAY" => "No" ), array( "OUTLOOK" => "Sunny", "TEMPERATURE" => "Cool", "HUMIDITY" => "Normal", "WINDY" => "False", "PLAY" => "Yes" ), array( "OUTLOOK" => "Rainy", "TEMPERATURE" => "Mild", "HUMIDITY" => "Normal", "WINDY" => "False", "PLAY" => "Yes" ), array( "OUTLOOK" => "Sunny", "TEMPERATURE" => "Mild", "HUMIDITY" => "Normal", "WINDY" => "True", "PLAY" => "Yes" ), array( "OUTLOOK" => "Cloudy", "TEMPERATURE" => "Mild", "HUMIDITY" => "High", "WINDY" => "True", "PLAY" => "Yes" ), array( "OUTLOOK" => "Cloudy", "TEMPERATURE" => "Hot", "HUMIDITY" => "Normal", "WINDY" => "False", "PLAY" => "Yes" ), array( "OUTLOOK" => "Rainy", "TEMPERATURE" => "Mild", "HUMIDITY" => "High", "WINDY" => "True", "PLAY" => "No" ) ); // Initialize Data $input->setData($data); // Set data from array $input->setAttributes(array('OUTLOOK', 'TEMPERATURE', 'HUMIDITY', 'WINDY', 'PLAY')); // Set attributes of data // Initialize C4.5 $c45->c45 = $input; // Set input data $c45->setTargetAttribute('PLAY'); // Set target attribute $initialize = $c45->initialize(); // initialize // Build Output $buildTree = $initialize->buildTree(); // Build tree $arrayTree = $buildTree->toArray(); // Set to array $stringTree = $buildTree->toString(); // Set to string echo ""; print_r ($arrayTree); echo ""; echo $stringTree; ``` ``` $new_data = array( 'OUTLOOK' => 'Sunny', 'TEMPERATURE' => 'Hot', 'HUMIDITY' => 'High', 'WINDY' => FALSE ); echo $c45->initialize()->buildTree()->classify($new_data); // print "No" ``` [Refrence](https://github.com/juliardi/C45) **Made with ❤️ + ☕ ~ Agung Dirgantara** ### Health Score 32 — LowBetter than 72% of packages Maintenance32 Infrequent updates — may be unmaintained Popularity21 Limited adoption so far Community10 Small or concentrated contributor base Maturity54 Maturing project, gaining track record Bus Factor1 Top contributor holds 100% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~443 days Total 3 Last Release 1485d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/24e8e95a612ecb77482b7ba9f36439d1edcb2509205a84cc0f71b53fad2eeaca?d=identicon)[agoenks29D](/maintainers/agoenks29D) --- Top Contributors [![agoenks29D](https://avatars.githubusercontent.com/u/11814324?v=4)](https://github.com/agoenks29D "agoenks29D (11 commits)") --- Tags c45-treesdataminingdecision-tree ### Embed Badge ![Health badge](/badges/medansoftware-c45-algorithm-php/health.svg) ``` [![Health](https://phpackages.com/badges/medansoftware-c45-algorithm-php/health.svg)](https://phpackages.com/packages/medansoftware-c45-algorithm-php) ``` ### Alternatives [civicrm/civicrm-core Open source constituent relationship management for non-profits, NGOs and advocacy organizations. 728272.9k20](/packages/civicrm-civicrm-core)[in2code/powermail Powermail is a well-known, editor-friendly, powerful and easy to use mailform extension for TYPO3 with a lots of features 982.5M38](/packages/in2code-powermail)[blair2004/nexopos The Free Modern Point Of Sale System build with Laravel, TailwindCSS and Vue.js. 1.2k2.3k](/packages/blair2004-nexopos)[solspace/craft-freeform The most flexible and user-friendly form building plugin! 52664.9k12](/packages/solspace-craft-freeform)[pimcore/data-importer Adds a comprehensive import functionality to Pimcore Datahub 44763.4k2](/packages/pimcore-data-importer)[portphp/spreadsheet PhpSpreadsheet reader and writer for Port 14796.4k4](/packages/portphp-spreadsheet) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)