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///////////////////////////////////////////////////////////////////////////////
// For information as to what this class does, see the Javadoc, below. //
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, //
// 2007, 2008, 2009, 2010, 2014, 2015, 2022 by Peter Spirtes, Richard //
// Scheines, Joseph Ramsey, and Clark Glymour. //
// //
// 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 edu.cmu.tetrad.search.test;
import edu.cmu.tetrad.data.DataModel;
import edu.cmu.tetrad.data.IndependenceFacts;
import edu.cmu.tetrad.graph.IndependenceFact;
import edu.cmu.tetrad.graph.Node;
import edu.cmu.tetrad.search.IndependenceTest;
import edu.cmu.tetrad.search.utils.LogUtilsSearch;
import edu.cmu.tetrad.util.TetradLogger;
import javax.help.UnsupportedOperationException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
/**
* Checks conditional independence against a list of conditional independence facts, manually entered.
*
* @author josephramsey
*/
public final class IndTestIndependenceFacts implements IndependenceTest {
private final IndependenceFacts facts;
private boolean verbose;
/**
* Constructor.
*
* @param facts The facts to check.
* @see IndependenceFacts
*/
public IndTestIndependenceFacts(IndependenceFacts facts) {
this.facts = facts;
}
/**
* @throws UnsupportedOperationException Not implemented.
*/
public IndependenceTest indTestSubset(List vars) {
throw new UnsupportedOperationException();
}
/**
* Checks independence by looking up facts in the list of facts supplied in the constructor.
*
* @return the independence result.
* @see IndependenceResult
*/
public IndependenceResult checkIndependence(Node x, Node y, Set __z) {
List z = new ArrayList(__z);
Collections.sort(z);
Node[] _z = new Node[__z.size()];
for (int i = 0; i < z.size(); i++) {
_z[i] = z.get(i);
}
boolean independent = this.facts.isIndependent(x, y, _z);
if (this.verbose) {
if (independent) {
TetradLogger.getInstance().forceLogMessage(
LogUtilsSearch.independenceFactMsg(x, y, __z, getPValue()));
}
}
return new IndependenceResult(new IndependenceFact(x, y, __z), independent, getPValue(), getAlpha() - getPValue());
}
/**
* No p-values are available.
*
* @return Double.NaN.
*/
public double getPValue() {
return Double.NaN;
}
/**
* Returns the list of variables for the facts.
*
* @return This list.
*/
public List getVariables() {
return this.facts.getVariables();
}
/**
* Returns the node with the given name.
*
* @param name The name of the node,
* @return The node.
*/
public Node getVariable(String name) {
if (name == null) throw new NullPointerException();
List variables = this.facts.getVariables();
for (Node node : variables) {
if (name.equals(node.getName())) {
return node;
}
}
return null;
}
/**
* @throws UnsupportedOperationException Method not implemented.
*/
public boolean determines(List z, Node y) {
throw new UnsupportedOperationException("Method not implmeented.");
}
/**
* @throws java.lang.UnsupportedOperationException Method not implemented.
*/
public double getAlpha() {
throw new java.lang.UnsupportedOperationException("Method not implemented");
}
/**
* @throws java.lang.UnsupportedOperationException Method not implemented.
*/
public void setAlpha(double alpha) {
throw new UnsupportedOperationException();
}
/**
* Returns the facts supplied in the constructor, which constutite a data model.
*
* @return These facts.
*/
public DataModel getData() {
return this.facts;
}
/**
* Returns whether verbose output is to be printed.
*
* @return True, if so.
*/
public boolean isVerbose() {
return this.verbose;
}
/**
* Sets whether verbose output is to be printed.
*
* @param verbose True, if so.
*/
public void setVerbose(boolean verbose) {
this.verbose = verbose;
}
}