class SVDRecommender in Recommender API 6.2

SVD algorihtm used in the Netflix Prize competition.

Hierarchy

• class \Recommender
  • class \SVDRecommender

File

./Recommender.php, line 754

class SVDRecommender extends Recommender {

}

Members

Name	Modifiers	Type	Description	Overrides
Recommender::$appId	protected	property
Recommender::$appName	protected	property
Recommender::$cheeseMap	protected	property
Recommender::$cheeseNum	protected	property
Recommender::$created	protected	property
Recommender::$directMatrix	protected	property
Recommender::$duplicate	protected	property
Recommender::$fieldCheese	protected	property
Recommender::$fieldMouse	protected	property
Recommender::$fieldWeight	protected	property
Recommender::$missing	protected	property
Recommender::$mouseMap	protected	property
Recommender::$mouseNum	protected	property
Recommender::$options	protected	property
Recommender::$performance	protected	property
Recommender::$predictionMatrix	protected	property
Recommender::$similarityMatrix	protected	property
Recommender::$tableName	protected	property
Recommender::batchInsert	protected	function
Recommender::cleanupMemory	protected	function
Recommender::computePrediction	public	function		2
Recommender::computePredictionDatabase	protected	function		1
Recommender::computePredictionJava	protected	function
Recommender::computePredictionMemory	protected	function		1
Recommender::computeSimilarity	public	function		1
Recommender::computeSimilarityDatabase	protected	function		1
Recommender::computeSimilarityJava	protected	function
Recommender::computeSimilarityMemory	protected	function		1
Recommender::convertAppId	static	function
Recommender::getAppId	public	function
Recommender::getCheeseNum	protected	function
Recommender::getEntityNum	protected	function
Recommender::getMouseNum	protected	function
Recommender::initialize	protected	function		2
Recommender::loadDirectMatrix	protected	function	Load matrix from the database into a matrix class in memory
Recommender::loadSimilarityMatrix	protected	function
Recommender::prepareData	protected	function	After calling this function, data would be ready to process. Could be: 1) if it's in database, then $->tableName, $this->$field* would store the correct info. 2) if it's in memory, then $this->directMatrix will be the matrix
Recommender::processTable	protected	function
Recommender::purgeApp	static	function
Recommender::purgeOutdatedRecords	protected	function
Recommender::retrievePrediction	public	function
Recommender::retrieveSimilarity	public	function	Return the similarity between $mouse1 and $mouse2.
Recommender::saveSimilarityMatrix	protected	function
Recommender::topPrediction	public	function
Recommender::topSimilarity	public	function
Recommender::__construct		function		1