Practical Problem Solving - Java Data Mining: Strategy, Standard, and Practice - page 320

1. public void buildModelAndApply(String iModelPrefix,
2. int iMinClusterCount,

3. int iMaxClusterCOunt,

4. String iEnhancedTableName,

5. String iApplyOutputPrefix)

6. throws JDMException, InterruptedException {

7. mModelPrefix iModelPrefix;

8. mApplyOutputPrefix iApplyOutputPrefix;

9. String lDataSetName iModelPrefix "_DS";

10. mEnhancedTableName iEnhancedTableName;

11. String lBuildDataSQLStatement "select * from " iEnhancedTableName;

12. PhysicalDataSetFactory lPdsFactory

13. (PhysicalDataSetFactory) mJDMConnection.getFactory(

14. "javax.datamining.data.PhysicalDataSet");

15. String lDataSetURI getVendorDatasetURI(lBuildDataSQLStatement);

16. PhysicalDataSet lBuildData lPdsFactory.create(lDataSetURI, false);

17. lBuildData.importMetaData();

18. PhysicalAttribute lAttr

19. lBuildData.getAttribute(mIdentifierColumnName.toUpperCase());

20. lAttr.setRole(PhysicalAttributeRole.caseId);

21. mJDMConnection.saveObject(lDataSetName, lBuildData, true);

In these first 21 lines, we created the PhysicalDataSet that is used
for both building the model and then applying it to assign customers
a cluster identifier. The following code creates models with increas-
ing numbers of clusters from the minimum to the maximum speci-
fied by the user.

for (int lClusterCount iMinClusterCount;

22.

lClusterCount iMaxClusterCOunt;

23.

lClusterCount ) {

24.

String lModelName iModelPrefix "_" lClusterCount;

25.

String lSettingsName lModelName "_S" lClusterCount;

26.

ClusteringSettingsFactory lCsFactory

27.

28. (ClusteringSettingsFactory) mJDMConnection.getFactory(

29. "javax.datamining.clustering"

".ClusteringSettings");

30.

ClusteringSettings lClusteringSettings

31.

32. lCsFactory.create();

33. lClusteringSettings.setMaxNumberOfClusters(lClusterCount);

34. mJDMConnection.saveObject(lSettingsName,

35. lClusteringSettings,

36. true);

String lBuildTaskName lModelName "_T";

37.

BuildTaskFactory lBuildTaskFactory

38.

39. (BuildTaskFactory) mJDMConnection.getFactory(

40. "javax.datamining.task.BuildTask");

BuildTask lBuildTask lBuildTaskFactory.create(lDataSetName,

41.

42. lSettingsName,