PHP code example of medansoftware / kmeans-algorithm-php

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

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

    

medansoftware / kmeans-algorithm-php example snippets

ns = new \Algorithm\KMeans;

$kmeans->setAttributes(array(
    'A',
    'B'
));

$kmeans->setDataFromArgs(1, 1);
$kmeans->setDataFromArgs(2, 1);
$kmeans->setDataFromArgs(4, 3);
$kmeans->setDataFromArgs(5, 4);

$kmeans->setClusterCount(2);

/*
 * Use data points at indexes 0 and 1
 * as the initial centroids.
 */
$kmeans->setCentroid(0, 1);

/*
 * Run K-Means with a maximum of 100 iterations.
 */
$kmeans->setIteration(100);
$kmeans->run();

echo '<h2>Initial Centroids</h2>';
echo '<pre>';
print_r($kmeans->getInitialCentroid());
echo '</pre>';

echo '<h2>Final Centroids</h2>';
echo '<pre>';
print_r($kmeans->getCentroid());
echo '</pre>';

echo '<h2>Iterations</h2>';
echo 'Iterations executed: ' . $kmeans->countIterations();

echo '<h2>Results</h2>';
echo '<pre>';
print_r($kmeans->getAllResults());
echo '</pre>';

ns = new \Algorithm\KMeans;

$kmeans->setAttributes(array(
    'x'
));

$kmeans->setDataFromArgs(1);
$kmeans->setDataFromArgs(2);
$kmeans->setDataFromArgs(6);
$kmeans->setDataFromArgs(7);
$kmeans->setDataFromArgs(8);
$kmeans->setDataFromArgs(10);
$kmeans->setDataFromArgs(15);
$kmeans->setDataFromArgs(17);
$kmeans->setDataFromArgs(20);

$kmeans->setClusterCount(3);

/*
 * Use data points at indexes 1, 5, and 7
 * as the initial centroids.
 *
 * The selected values are 2, 10, and 17.
 */
$kmeans->setCentroid(1, 5, 7);

/*
 * Run K-Means with a maximum of 100 iterations.
 */
$kmeans->setIteration(100);
$kmeans->run();

echo '<h2>Initial Centroids</h2>';
echo '<pre>';
print_r($kmeans->getInitialCentroid());
echo '</pre>';

echo '<h2>Final Centroids</h2>';
echo '<pre>';
print_r($kmeans->getCentroid());
echo '</pre>';

echo '<h2>Iterations</h2>';
echo 'Iterations executed: ' . $kmeans->countIterations();

echo '<h2>Logs</h2>';
echo '<pre>';
print_r($kmeans->catchLogs());
echo '</pre>';

$kmeans->setCentroid(0, 1);

$kmeans->setCentroid(array(0, 1));

$kmeans->setCentroid(array(
    array('A' => 1, 'B' => 1),
    array('A' => 5, 'B' => 4)
));

$kmeans->setCentroid();

$kmeans->setIteration(100);

$kmeans->countIterations();

$kmeans->isDone();

$kmeans->getCentroid();

$kmeans->getInitialCentroid();

$kmeans->getClusters();

$kmeans->catchLogs();

$kmeans->getAllResults();

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