/**
* Constructor.
*
* @throws Exception If the algorithm cannot be executed.
*/
public C45(String trainfn, String testfn) throws Exception {
try {
// starts the time
long startTime = System.currentTimeMillis();
/* Sets the options of the execution from text file*/
setOptions(trainfn, testfn);
/* Initializes the dataset. */
Attributes.clearAll();
modelDataset = new Dataset(modelFileName, true);
trainDataset = new Dataset(trainFileName, false);
testDataset = new Dataset(testFileName, false);
priorsProbabilities = new double[modelDataset.numClasses()];
priorsProbabilities();
marginCounts = new double[marginResolution + 1];
// generate the tree
generateTree(modelDataset);
// printTrain();
// printTest();
// printResult();
} catch (Exception e) {
System.err.println(e.getMessage());
System.exit(-1);
}
}
