customersequentiallocalserviceapibuild.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

 /**
  * Title: XELOPES Data Mining Library
  * Description: The XELOPES library is an open platform-independent and data-source-independent library for Embedded Data Mining.
  * Copyright: Copyright (c) 2002 Prudential Systems Software GmbH
  * Company: ZSoft (www.zsoft.ru), Prudsys (www.prudsys.com)
  * @author Carsten Weisse
  * @author Michael Thess
  * @version 1.0
  */
package com.prudsys.pdm.Examples;

import java.io.FileWriter;

import com.prudsys.pdm.Adapters.ServiceAPI.LocalXelopesServiceImpl;
import com.prudsys.pdm.Adapters.ServiceAPI.LookupService;
import com.prudsys.pdm.Adapters.ServiceAPI.ServiceAlgorithmParameter;
import com.prudsys.pdm.Core.MiningModel;
import com.prudsys.pdm.Input.MiningInputStream;
import com.prudsys.pdm.Input.Records.Arff.MiningArffStream;
import com.prudsys.pdm.Utils.PmmlUtils;

/**
 * Builds customer sequential model like 'CustomerSequentialBuild'
 * but using the Service API. Writes the model to the same
 * PMML file 'CustomerSequentialModel.xml'.
 */
public class CustomerSequentialLocalServiceAPIBuild extends BasisExample
{
  /**
   * Empty constructor.
   */
  public CustomerSequentialLocalServiceAPIBuild()
  {
  }

  /**
   * Run the example of this class.
   *
   * @throws Exception error while example is running
   */
  public void runExample() throws Exception {

    // Create XELOPES Local Service Implementation object:
    LocalXelopesServiceImpl lxsi = new LocalXelopesServiceImpl();

    // Open mining input stream:
    MiningInputStream inputData = new MiningArffStream( "data/arff/custom-transact.arff" );

    // Run customer sequential algorithm and obtain result as PMML string:
    ServiceAlgorithmParameter[] algPar = lxsi.getAlgorithmParameters("customer");
    System.out.println("-->Build model by service: ");
    LookupService.setSAPValue(algPar, "minimumSupport", "0.5");
    LookupService.setSAPValue(algPar, "generateRules", "true");
    LookupService.setSAPValue(algPar, "minimumConfidence", "0.3");
    LookupService.setSAPValue(algPar, "itemIdName", "itemId");
    LookupService.setSAPValue(algPar, "customerIdName", "customerId");
    LookupService.setSAPValue(algPar, "transactionPositionName", "transactionPosition");
    MiningModel model = lxsi.buildModelService("customer", algPar, inputData);

    // Write result into PMML file:
    FileWriter writer = new FileWriter("data/pmml/CustomerSequentialModel.xml");
    model.writePmml(writer);

    // Show in browser:
    if (debug == 2) PmmlUtils.openPmmlBrowser("CustomerSequentialModel.xml");
  }

  /**
   * Simple example of building an customer sequential model
   * using the Local Service API.
   *
   * @param args arguments (ignored)
   */
  public static void main(String[] args) {

    try {
      new CustomerSequentialLocalServiceAPIBuild().runExample();
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
  }
}