/**
* Generates output file for a clasification problem @ param Foutput Name of the output file @
* param real Vector of outputs instances @ param obtained Vector of net outputs
*
* @return Nothing
*/
public void generateResultsClasification(String Foutput, int[] real, int[] obtained) {
// Output file, classification problems
FileOutputStream out;
PrintStream p;
Attribute at = Attributes.getOutputAttribute(0);
// Check whether the output value is nominal or integer
boolean isNominal = (at.getType() == at.NOMINAL);
try {
out = new FileOutputStream(Foutput);
p = new PrintStream(out);
CopyHeaderTest(p);
// System.out.println("Longitudes "+real.length+" "+obtained.length);
for (int i = 0; i < real.length; i++) {
// Write the label associated to the class number,
// when the output is nominal
if (isNominal)
p.print(at.getNominalValue(real[i]) + " " + at.getNominalValue(obtained[i]) + "\n");
else p.print(real[i] + " " + obtained[i] + "\n");
}
p.close();
} catch (Exception e) {
System.err.println("Error building file for results: " + Foutput);
}
}
/**
* It does remove an attribute. To remove an attribute, the train and the test sets have to be
* passed to mantain the coherence of the system. Otherwise, only the attribute of the train set
* would be removed, leaving inconsistent the instances of the test set, because of having one
* extra attribute inexistent anymore.
*
* @param tSet is the test set.
* @param inputAtt is a boolean that is true when the attribute that is wanted to be removed is an
* input attribute.
* @param whichAtt is a integer that indicate the position of the attriubte to be deleted.
* @return a boolean indicating if the attribute has been deleted
*/
public boolean removeAttribute(InstanceSet tSet, boolean inputAtt, int whichAtt) {
Attribute attToDel = null;
// Getting a reference to the attribute to del
if (inputAtt) {
if (storeAttributesAsNonStatic && attributes != null)
attToDel = (Attribute) attributes.getInputAttribute(whichAtt);
else attToDel = (Attribute) Attributes.getInputAttribute(whichAtt);
} else {
if (storeAttributesAsNonStatic && attributes != null)
attToDel = (Attribute) attributes.getOutputAttribute(whichAtt);
else attToDel = (Attribute) Attributes.getOutputAttribute(whichAtt);
}
if (storeAttributesAsNonStatic && attributes != null) {
System.out.println("Removing the attribute");
if (!attributes.removeAttribute(inputAtt, whichAtt)
|| !tSet.attributes.removeAttribute(inputAtt, whichAtt)) return false;
} else {
if (!Attributes.removeAttribute(inputAtt, whichAtt)) return false;
}
for (int i = 0; i < instanceSet.length; i++) {
if (storeAttributesAsNonStatic && attributes != null) {
instanceSet[i].removeAttribute(attributes, attToDel, inputAtt, whichAtt);
} else {
instanceSet[i].removeAttribute(attToDel, inputAtt, whichAtt);
}
}
if (tSet != null)
for (int i = 0; i < tSet.instanceSet.length; i++) {
if (storeAttributesAsNonStatic && attributes != null)
tSet.instanceSet[i].removeAttribute(attributes, attToDel, inputAtt, whichAtt);
else tSet.instanceSet[i].removeAttribute(attToDel, inputAtt, whichAtt);
}
return true;
} // end removeAttribute
