/**
* Enumerates all the attributes.
*
* @return An enumeration that contains all the attributes.
*/
public Enumeration enumerateAttributes() {
Vector help = new Vector(attributes.size() - 1);
for (int i = 0; i < attributes.size(); i++)
if (i != classIndex) help.addElement(attributes.elementAt(i));
return help.elements();
}
/** Creates the total selector's set for get all the possible rules */
private Complejo hazSelectores(Dataset train) {
Complejo almacenSelectores;
int nClases = train.getnclases();
almacenSelectores =
new Complejo(nClases); // Aqui voy a almacenar los selectores (numVariable,operador,valor)
Attribute[] atributos = null;
int num_atributos, type;
Vector nominalValues;
atributos = Attributes.getAttributes();
num_atributos = Attributes.getNumAttributes();
Selector s;
for (int i = 0; i < train.getnentradas(); i++) {
type = atributos[i].getType();
switch (type) {
case 0: // NOMINAL
nominalValues = atributos[i].getNominalValuesList();
// System.out.print("{");
for (int j = 0; j < nominalValues.size(); j++) {
// System.out.print ((String)nominalValues.elementAt(j)+" ");
s = new Selector(i, 0, (String) nominalValues.elementAt(j), true); // [atr,op,valor]
// incluimos tb los valores en double para facilitar algunas funciones
s.setValor((double) j);
almacenSelectores.addSelector(s);
// s.print();
}
// System.out.println("}");
break;
}
// System.out.println(num_atributos);
}
return almacenSelectores;
}
/**
* Returns the attribute that has the name.
*
* @param name The name of the attribute.
*/
public final Attribute getAttribute(String name) {
for (int i = 0; i < attributes.size(); i++)
if (((Attribute) attributes.elementAt(i)).name().equalsIgnoreCase(name))
return (Attribute) attributes.elementAt(i);
return null;
}
/**
* Checks if a node is legitimate. A node is illegitimate if its hamming distance to a pruned node
* is 1 (this is, the node is a child of a previously pruned node).
*
* @param f node to check its legitimacy
* @return true if the node is legitimate, false otherwise.
*/
private boolean legitimate(boolean f[]) {
boolean feas = true;
for (int i = 0; i < pruned.size() && feas; i++) {
if (hamming(pruned.elementAt(i), f) == 1) feas = false;
}
return feas;
}
/** Returns the number of itemsets. */
public final int numItemsets() {
return itemsets.size();
}
/** Returns the number of attributes. */
public final int numAttributes() {
return attributes.size();
}