Database Reference
In-Depth Information
private Hashtable < String, Integer > stepHash
¼
new
Hashtable < String, Integer > ();
/** Hashtable of DP. */
private
Hashtable < String,
double[] > dpHash
¼
new
Hashtable < String, double[] > ();
// ---------------------------
// Constructor
// ---------------------------
/**
* Empty constructor.
*/
public RecommEngineEnvironment(){
}
// ---------------------------
// Initialization
// ---------------------------
/**
* Init.
*
* @param args array of strings
* @exception MiningException general exception
*/
public void init(String[] args) throws MiningException {
// Create state meta data:
metaDataState ¼ new MiningDataSpecification("itemID");
int nstates ¼ 6;
for (int i ¼ 0; i < nstates; i++)
itemIDAtt.addCategory( new Category( String.valueOf(i
+1) ) );
metaDataState.addMiningAttribute(itemIDAtt);
// Create metadata for actions:
metaDataAction
¼
new
MiningDataSpecification
("actions");
int nactions ¼ nstates;
for (int i ¼ 0; i < nactions; i++)
recoIDAtt.addCategory( new Category( String.valueOf(i
+1) ) );
metaDataAction.addMiningAttribute(recoIDAtt);
// Create states and action arrays:
MiningStoredData msd ¼ new MiningStoredData();
msd.setMetaData(metaDataState);
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