PHP code example of phpjuice / opencf

1. Go to this page and download the library: Download phpjuice/opencf 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/ */

phpjuice / opencf example snippets


use OpenCF\RecommenderService;

// Create an instance
$recommenderService = new RecommenderService($dataset);


$dataset = [
    "squid" => [
        "user1" => 1,
        "user2" => 1,
        "user3" => 0.2,
    ],
    "cuttlefish" => [
        "user1" => 0.5,
        "user3" => 0.4,
        "user4" => 0.9,
    ],
    "octopus" => [
        "user1" => 0.2,
        "user2" => 0.5,
        "user3" => 1,
        "user4" => 0.4,
    ],
    "nautilus" => [
        "user2" => 0.2,
        "user3" => 0.4,
        "user4" => 0.5,
    ],
];

$recommenderService->setDataset($dataset);


// Get a recommender
$recommender = $recommenderService->cosine(); // Cosine recommender
// OR
$recommender = $recommenderService->weightedCosine(); // WeightedCosine recommender
// OR
$recommender = $recommenderService->weightedSlopeone(); // WeightedSlopeone recommender

// Predict future ratings
$results = $recommender->predict([
    "squid" => 0.4
]);


[
  "cuttlefish" => 0.25,
  "octopus" => 0.23,
  "nautilus" => 0.1
];