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Informations about the package php-fpgrowth

FP-Growth

A PHP implementation of the Frequent Pattern Growth algorithm. This is modified program from Ivan Rebrov (enzomc/php-fpgrowth).

Getting Started

You can install the package with composer: composer require renaldy/php-fpgrowth

Usage

Example

use Renaldy\PhpFPGrowth\FPGrowth;

$transactions = [
    ['sp trochess', 'woods antitusif'],
    ['woods antitusif', 'vipro g', 'betadine', 'decolsin', 'bodrex'],
    ['sp trochess', 'vipro g', 'betadine', 'hansaplast', 'kalpanax'],
    ['sp trochess', 'betadine', 'hansaplast'],
    ['woods antitusif', 'sp trochess', 'minyak tawon', 'vipro g'],
    ['vipro g', 'betadine', 'sp trochess', 'woods antitusif'],
    ['sp trochess', 'antangin cair'],
    ['woods antitusif', 'vipro g', 'sp trochess'],
    ['sp trochess', 'woods antitusif', 'betadine'],
    ['woods antitusif', 'vipro g', 'hansaplast'],
];

$support = 0.2;
$confidence = 0.75;

$fpgrowth = new FPGrowth($transactions, $support, $confidence);
$fpgrowth->run();

print_r("=========> Dataset:\n");
print_r($transactions);

print_r("=========> Frequent Itemset:\n");
print_r($fpgrowth->getFrequentItemSet());

print_r("=========> Ordered Item:\n");
print_r($fpgrowth->getOrderedItemSet());

print_r("=========> FP Tree:\n");
print_r($fpgrowth->getTree());

print_r("=========> Frequency Pattern:\n");
print_r($fpgrowth->getPatterns());

print_r("=========> Association Rules:\n");
print_r($fpgrowth->getRules());

Output

List Transaction (Dataset)

Array
(
    [0] => Array
        (
            [0] => sp trochess    
            [1] => woods antitusif
        )

    [1] => Array
        (
            [0] => woods antitusif
            [1] => vipro g
            [2] => betadine
            [3] => decolsin
            [4] => bodrex
        )

    [2] => Array
        (
            [0] => sp trochess
            [1] => vipro g
            [2] => betadine
            [3] => hansaplast
            [4] => kalpanax
        )

    [3] => Array
        (
            [0] => sp trochess
            [1] => betadine
            [2] => hansaplast
        )

    [4] => Array
        (
            [0] => woods antitusif
            [1] => sp trochess
            [2] => minyak tawon
            [3] => vipro g
        )

    [5] => Array
        (
            [0] => vipro g
            [1] => betadine
            [2] => sp trochess
            [3] => woods antitusif
        )

    [6] => Array
        (
            [0] => sp trochess
            [1] => antangin cair
        )

    [7] => Array
        (
            [0] => woods antitusif
            [1] => vipro g
            [2] => sp trochess
        )

    [8] => Array
        (
            [0] => sp trochess
            [1] => woods antitusif
            [2] => betadine
        )

    [9] => Array
        (
            [0] => woods antitusif
            [1] => vipro g
            [2] => hansaplast
        )

)

Frequent Itemset

Array
(
    [sp trochess] => Array
        (
            [qty] => 8
            [support] => 0.8
        )

    [woods antitusif] => Array
        (
            [qty] => 7
            [support] => 0.7
        )

    [vipro g] => Array
        (
            [qty] => 6
            [support] => 0.6
        )

    [betadine] => Array
        (
            [qty] => 5
            [support] => 0.5
        )

    [hansaplast] => Array
        (
            [qty] => 3
            [support] => 0.3
        )

)

Ordered Item

Array
(
    [0] => Array
        (
            [0] => sp trochess
            [1] => woods antitusif
        )

    [1] => Array
        (
            [0] => woods antitusif
            [1] => vipro g
            [2] => betadine
        )

    [2] => Array
        (
            [0] => sp trochess
            [1] => vipro g
            [2] => betadine
            [3] => hansaplast
        )

    [3] => Array
        (
            [0] => sp trochess
            [1] => betadine
            [2] => hansaplast
        )

    [4] => Array
        (
            [0] => sp trochess
            [1] => woods antitusif
            [2] => vipro g
        )

    [5] => Array
        (
            [0] => sp trochess
            [1] => woods antitusif
            [2] => vipro g
            [3] => betadine
        )

    [6] => Array
        (
            [0] => sp trochess
        )

    [7] => Array
        (
            [0] => sp trochess
            [1] => woods antitusif
            [2] => vipro g
        )

    [8] => Array
        (
            [0] => sp trochess
            [1] => woods antitusif
            [2] => betadine
        )

    [9] => Array
        (
            [0] => woods antitusif
            [1] => vipro g
            [2] => hansaplast
        )

)

FP Tree Structure

EnzoMC\PhpFPGrowth\FPNode Object
(
    [value] => 
    [count] => 
    [parent] => 
    [link] => 
    [children] => Array()
)

Frequency Pattern

Array
(
    [0] => Array
        (
            [item] => hansaplast
            [frequentPattern] => betadine, hansaplast
            [frequent] => 2
        )

    [1] => Array
        (
            [item] => vipro g
            [frequentPattern] => hansaplast, vipro g
            [frequent] => 2
        )

    [2] => Array
        (
            [item] => sp trochess
            [frequentPattern] => hansaplast, sp trochess
            [frequent] => 2
        )

    [3] => Array
        (
            [item] => sp trochess
            [frequentPattern] => betadine, hansaplast, sp trochess
            [frequent] => 2
        )

    [4] => Array
        (
            [item] => woods antitusif
            [frequentPattern] => betadine, vipro g, woods antitusif
            [frequent] => 2
        )

    [5] => Array
        (
            [item] => woods antitusif
            [frequentPattern] => betadine, sp trochess, woods antitusif
            [frequent] => 2
        )

    [6] => Array
        (
            [item] => vipro g
            [frequentPattern] => betadine, vipro g
            [frequent] => 3
        )

    [7] => Array
        (
            [item] => vipro g
            [frequentPattern] => betadine, sp trochess, vipro g
            [frequent] => 2
        )

    [8] => Array
        (
            [item] => sp trochess
            [frequentPattern] => betadine, sp trochess
            [frequent] => 4
        )

    [9] => Array
        (
            [item] => vipro g
            [frequentPattern] => sp trochess, vipro g
            [frequent] => 4
        )

    [10] => Array
        (
            [item] => woods antitusif
            [frequentPattern] => sp trochess, vipro g, woods antitusif
            [frequent] => 3
        )

    [11] => Array
        (
            [item] => woods antitusif
            [frequentPattern] => vipro g, woods antitusif
            [frequent] => 5
        )

    [12] => Array
        (
            [item] => woods antitusif
            [frequentPattern] => sp trochess, woods antitusif
            [frequent] => 5
        )

)

Association Rules

Array
(
    [0] => Array
        (
            [antecedent] => betadine, hansaplast
            [consequent] => sp trochess
            [confidence] => 1
            [support] => 0.2
            [liftRatio] => 0.12500
        )

    [1] => Array
        (
            [antecedent] => hansaplast, sp trochess
            [consequent] => betadine
            [confidence] => 1
            [support] => 0.2
            [liftRatio] => 0.20000
        )

    [2] => Array
        (
            [antecedent] => sp trochess, vipro g
            [consequent] => woods antitusif
            [confidence] => 0.75
            [support] => 0.3
            [liftRatio] => 0.10714
        )
)

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