/*
* JGAAP -- a graphical program for stylometric authorship attribution
* Copyright (C) 2009,2011 by Patrick Juola
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
**/
package com.jgaap.classifiers;
import java.util.ArrayList;
import java.util.List;
import com.jgaap.generics.AnalysisDriver;
import com.jgaap.util.Document;
import com.jgaap.util.Event;
import com.jgaap.util.EventMap;
import com.jgaap.util.Pair;
/**
* NullAnalysis : no analysis, but prints histogram of event sets received
*/
public class NullHistAnalysis extends AnalysisDriver {
public String displayName(){
return "Null Histogram Analysis";
}
public String tooltipText(){
return "Prints a Histogram of Event Sets";
}
public boolean showInGUI(){
return true;
}
public void train(List<Document> knowns){
int count = 0;
for(Document known : knowns){
count++;
EventMap eventMap = new EventMap(known);
System.out.println("--- Known Event Set #" + count + " ---");
for(Event event : eventMap.uniqueEvents()){
System.out.println("'"+event.getEvent().replaceAll("'", "\\'")+"','"+eventMap.relativeFrequency(event)+"',");
}
}
}
@Override
public List<Pair<String, Double>> analyze(Document unknown) {
EventMap eventMap = new EventMap(unknown);
System.out.println("--- Unknown Event Set ---");
for(Event event : eventMap.uniqueEvents()){
System.out.println("'"+event.getEvent().replaceAll("'", "\\'")+"','"+eventMap.relativeFrequency(event)+"',");
}
List<Pair<String,Double>> results = new ArrayList<Pair<String,Double>>();
results.add(new Pair<String, Double>("No analysis performed.\n", 0.0));
return results;
}
}