| package com.yahoo.labs.samoa.moa.classifiers.core; |
| |
| /* |
| * #%L |
| * SAMOA |
| * %% |
| * Copyright (C) 2007 University of Waikato, Hamilton, New Zealand |
| * %% |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * #L% |
| */ |
| |
| import com.yahoo.labs.samoa.moa.AbstractMOAObject; |
| import com.yahoo.labs.samoa.moa.classifiers.core.conditionaltests.InstanceConditionalTest; |
| |
| /** |
| * Class for computing attribute split suggestions given a split test. |
| * |
| * @author Richard Kirkby (rkirkby@cs.waikato.ac.nz) |
| * @version $Revision: 7 $ |
| */ |
| public class AttributeSplitSuggestion extends AbstractMOAObject implements Comparable<AttributeSplitSuggestion> { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public InstanceConditionalTest splitTest; |
| |
| public double[][] resultingClassDistributions; |
| |
| public double merit; |
| |
| public AttributeSplitSuggestion() { |
| } |
| |
| public AttributeSplitSuggestion(InstanceConditionalTest splitTest, |
| double[][] resultingClassDistributions, double merit) { |
| this.splitTest = splitTest; |
| this.resultingClassDistributions = resultingClassDistributions.clone(); |
| this.merit = merit; |
| } |
| |
| public int numSplits() { |
| return this.resultingClassDistributions.length; |
| } |
| |
| public double[] resultingClassDistributionFromSplit(int splitIndex) { |
| return this.resultingClassDistributions[splitIndex].clone(); |
| } |
| |
| @Override |
| public int compareTo(AttributeSplitSuggestion comp) { |
| return Double.compare(this.merit, comp.merit); |
| } |
| |
| @Override |
| public void getDescription(StringBuilder sb, int indent) { |
| // do nothing |
| } |
| } |