code: ///////////////////////////////////////////////////////////////////////////////
  // 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 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.sem;
  
  import edu.cmu.tetrad.graph.Node;
  import edu.cmu.tetrad.data.Simulator;
  import edu.cmu.tetrad.util.TetradMatrix;
  import edu.cmu.tetrad.util.TetradSerializable;
  
  import java.util.List;
  
  /**
   * An interface for SemIM's; see implementations.
   *
   * @author Joseph Ramsey
   */
  public interface ISemIm extends Simulator, TetradSerializable {
      long serialVersionUID = 23L;
  
      SemPm getSemPm();
  
      double[] getFreeParamValues();
  
      void setFreeParamValues(double[] params);
  
      double getParamValue(Parameter parameter);
  
      void setParamValue(Parameter parameter, double value);
  
      void setFixedParamValue(Parameter parameter, double value);
  
      double getParamValue(Node nodeA, Node nodeB);
  
      void setParamValue(Node nodeA, Node nodeB, double value);
  
      List<Parameter> getFreeParameters();
  
      int getNumFreeParams();
  
      List<Parameter> getFixedParameters();
  
      int getSampleSize();
  
      void setParameterBoundsEnforced(boolean b);
  
      double getScore();
  
      boolean isParameterBoundsEnforced();
  
      List<Node> listUnmeasuredLatents();
  
      boolean isCyclic();
  
      boolean isEstimated();
  
      List<Node> getVariableNodes();
  
      double getMean(Node node);
  
      double getMeanStdDev(Node node);
  
      double getIntercept(Node node);
  
      void setErrVar(Node nodeA, double value);
  
      void setEdgeCoef(Node x, Node y, double value);
  
      void setIntercept(Node y, double intercept);
  
      void setMean(Node node, double value);
  
      double getStandardError(Parameter parameter, int maxFreeParamsForStatistics);
  
      double getTValue(Parameter parameter, int maxFreeParamsForStatistics);
  
      double getPValue(Parameter parameter, int maxFreeParamsForStatistics);
  
      double getPValue();
  
      double getVariance(Node nodeA, TetradMatrix implCovar);
  
      double getStdDev(Node node, TetradMatrix implCovar);
  
      List getMeasuredNodes();
  
      TetradMatrix getImplCovarMeas();
  
      TetradMatrix getImplCovar(boolean recalculate);
  
      double getBicScore();
  
      double getRmsea();
  
      double getCfi();
  
      double getChiSquare();
  
      boolean isSimulatedPositiveDataOnly();
  
      void setSimulatedPositiveDataOnly(boolean simulatedPositiveDataOnly);
  }
  
  
  
  