/*
* Copyright 2016 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
module.exports = function(kernelP) {
return (function() {
var Utils = require('../../utils.js');
var RDD = require('../../rdd/RDD.js');
var gKernelP = kernelP;
/**
* Model trained by {@link FPGrowth}, which holds frequent itemsets.
* @param freqItemsets frequent itemset, which is an RDD of {@link FreqItemset}
* @classdesc
*/
/**
* @param {module:eclairjs/rdd.RDD} freqItemsets
* @class
* @memberof module:eclairjs/mllib/fpm
*/
function FPGrowthModel() {
Utils.handleConstructor(this, arguments, gKernelP);
}
/**
* Returns RDD of RDD FreqItemset
* @returns {module:eclairjs/rdd.RDD}
*/
FPGrowthModel.prototype.freqItemsets = function() {
var args = {
target: this,
method: 'freqItemsets',
returnType: RDD
};
return Utils.generate(args);
};
/**
* Generates association rules for the [[Item]]s in {@link freqItemsets}.
* @param {number} confidence minimal confidence of the rules produced
* @returns {module:eclairjs/rdd.RDD}
*/
FPGrowthModel.prototype.generateAssociationRules = function(confidence) {
var args = {
target: this,
method: 'freqItemsets',
args: Utils.wrapArguments(arguments),
returnType: RDD
};
return Utils.generate(args);
};
FPGrowthModel.moduleLocation = '/mllib/fpm/FPGrowthModel';
return FPGrowthModel;
})();
};