AICcSelectionModel.java

/*
Copyright (C) 2009  Diego Darriba

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
package es.uvigo.darwin.prottest.selection.model;

import es.uvigo.darwin.prottest.model.Model;

/**
 * Model wrapper including information about corrected Akaike Information Criterion
 */
public class AICcSelectionModel extends SelectionModel {

	/**
	 * Instantiates a new AICc selection model.
	 * 
	 * @param model the underlying model
	 * @param sampleSize the sample size
	 */
	public AICcSelectionModel(Model model, double sampleSize) {
		super(model, sampleSize);
		double k	= model.getNumberOfModelParameters();
		double n	= sampleSize;
		this.value = (-2 * model.getLk() + 2*k + 2*k*(k+1)/(n-k-1));
	}
}