PHP Classes

PHP Apriori Algorithm Data Miner: Reduce a set of transactions to a smaller group

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apriori-miner 0.1GNU General Publi...5Algorithms, PHP 5
Description 

Author

Dave Smith

This class can reduce a set of transactions to a smaller group.

It can take a set of transaction items and applies the apriori algorithm to reduce to a smaller group of transactions.

This class can return the frequent item list above a specified minimum support count.

Innovation Award
PHP Programming Innovation award nominee
June 2015
Number 4		 The Apriori algorithm is used to process large sets of information in a database by finding frequent individual values and process them to find patterns.

This class is a PHP implementation of the Apriori algorithm for data mining over items of transaction data.

Manuel Lemos
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 Innovation award
Innovation award
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Recommendations

Code for Apriori Algorithm in PHP OOP
Run the code of Apriori Algorithm in my system

Example

<?php
/*
data mining using apriori algorithm
apriori class 0.1 beta
*/

//include class
include('apriori.class.php');

//instantiate object with minimum support count
$apriori = new apriori(2);

//add transactions with unique Transaction ID, Item List
$apriori->addTransaction('100','{1,3,4}');
$apriori->addTransaction('200','{2,3,5}');
$apriori->addTransaction('300','{1,2,3,5}');
$apriori->addTransaction('400','{2,5}');

//item list does not have to be enclosed in curly brackets
$apriori->addTransaction('500','1,3,5');

//duplicate transaction ID's are ignored
$apriori->addTransaction('300','{2,3,5,6}');


//process transactions
$apriori->processTransactions();

//get frequent item sets in list format
$results = $apriori->formattedSet();

//display
echo 'Number of transactions: '.count($apriori->tranactionList).'<br><br>';
echo 'Number of unique items: '.count($apriori->itemList).'<br><br>';
echo 'Minimun Support Count: '.$apriori->minSupportCount.'<br><br>';
echo 'Number of iterations: '.$apriori->iteration.'<br><br>';
echo 'Frequent item sets<br>';
foreach( $results as $result){
    echo $result.'<br>';
}

?>


  Files folder image Files (3)  
File Role Description
Plain text file apriori.class.php Class Main Class
Accessible without login Plain text file example.php Example Example Usage
Accessible without login Plain text file license.txt Lic. License

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