bool pnl::EqualResults(CEMLearningEngine& eng1, CEMLearningEngine& eng2, float epsilon, int doPrint) { int i, j, result = 1; CGraphicalModel *pGrModel1 = eng1.GetStaticModel(); CGraphicalModel *pGrModel2 = eng2.GetStaticModel(); int numberOfNodes = pGrModel1->GetNumberOfNodes(); bool flag = false; for (i = 0; i < numberOfNodes; i++) { if (pGrModel1->GetFactor(i)->GetDistributionType()!=dtGaussian) flag = true; } const float *output1; const float *output2; CNumericDenseMatrix<float> *pMatrix1; CNumericDenseMatrix<float> *pMatrix2; int length1 = 0; int length2 = 0; int result1=1; if (flag) { for (i = 0; i < numberOfNodes; i++) { pMatrix1 = static_cast<CNumericDenseMatrix<float>*>( pGrModel1->GetFactor(i)->GetMatrix(matTable)); pMatrix1->GetRawData(&length1, &output1); pMatrix2 = static_cast<CNumericDenseMatrix<float>*>( pGrModel2->GetFactor(i)->GetMatrix(matTable)); pMatrix2->GetRawData(&length2, &output2); result1 = 1; for (int j = 0; j < length1; j++) { if (fabs(output1[j] - output2[j]) > epsilon) { result = 0; result1 = 0; break; } } #if 0 if (print) { if (result1) printf("%d\tOK", i); else printf("%d\tnot OK", i); printf("\n"); } #endif } } else { for (i = 0; i < numberOfNodes; i++) { pMatrix1 = static_cast<C2DNumericDenseMatrix<float>*>( pGrModel1->GetFactor(i)->GetMatrix(matMean)); pMatrix1->GetRawData(&length1, &output1); pMatrix2 = static_cast<C2DNumericDenseMatrix<float>*>( pGrModel2->GetFactor(i)->GetMatrix(matMean)); pMatrix2->GetRawData(&length2, &output2); result1 = 1; for (int j = 0; j < length1; j++) { if (!IsEqualNumbers1(output1[j],output2[j],epsilon)) { #if 0 printf("\n after mean nodes %d ",i); printf("\n 1- %f ",output1[j]); printf("\n 2- %f ",output2[j]); #endif result = 0; result1 = 0; break; } } #if 0 if (print) { if (result1) printf("%d\tOK", i); else printf("%d\tnot OK", i); printf("\n"); } #endif } for (i = 0; i < numberOfNodes; i++) { pMatrix1 = static_cast<C2DNumericDenseMatrix<float>*>( pGrModel1->GetFactor(i)->GetMatrix(matCovariance)); pMatrix1->GetRawData(&length1, &output1); pMatrix2 = static_cast<C2DNumericDenseMatrix<float>*>( pGrModel2->GetFactor(i)->GetMatrix(matCovariance)); pMatrix2->GetRawData(&length2, &output2); result1 = 1; for (int j = 0; j < length1; j++) { if (!IsEqualNumbers1(output1[j],output2[j],epsilon)) { #if 0 printf("\n after cov nodes %d ",i); printf("\n 1- %f ",output1[j]); printf("\n 2- %f ",output2[j]); #endif result = 0; result1 = 0; break; } } #if 0 if (print) { if (result1) printf("%d\tOK", i); else printf("%d\tnot OK", i); printf("\n"); } #endif } } return result; }
CBNet* Learn_process(const CBNet* pBnet) { //start learning for this model //create WS BNet with different matrices std::cout<<"Learning procedure \n "; CGraph *pGraph = CGraph::Copy( pBnet->GetGraph() ); CModelDomain *pMD = pBnet->GetModelDomain(); CBNet* pLearnBNet = CBNet::CreateWithRandomMatrices( pGraph, pMD ); //loading data from file const char * fname = "Data/casesForWS"; pEvidencesVector evVec; if( ! CEvidence::Load(fname, &evVec, pMD) ) { printf("can't open file with cases"); exit(1); getchar(); } int numOfSamples = evVec.size(); std::cout<<"Number of cases for learning = "<<numOfSamples<<std::endl; //create learning engine CEMLearningEngine *pLearn = CEMLearningEngine::Create( pLearnBNet ); //set data for learning pLearn->SetData( numOfSamples, &evVec.front() ); pLearn->Learn(); //compare information from learned model with initial model //both BNet have the same topology and node types //- we need only to compare CPDs //need to set tolerance float epsilon = 1e-1f; int isEqual = IsTheModelEqual( pBnet, pLearnBNet, epsilon ); std::cout << " The model was learned. The learning was " << std::endl; if( isEqual ) { std::cout << " successful " << std::endl; } else { std::cout << " unsuccessful " << std::endl; } int ev; for( ev = 0; ev < evVec.size(); ev++ ) { delete evVec[ev]; } delete pLearn; delete pBnet; return pLearnBNet; }
void CBICLearningEngine::Learn() { CEMLearningEngine *pLearn = NULL; float resultBIC = -FLT_MAX; CBNet *pResultBNet = NULL; intVector resultOrder; pEvidencesVector pEv(m_Vector_pEvidences.size(), NULL ); CModelDomain *pMD = m_pGrModel->GetModelDomain(); int nnodes = m_pGrModel->GetNumberOfNodes(); nodeTypeVector varTypes; pMD->GetVariableTypes(&varTypes); intVector varAss( pMD->GetVariableAssociations(), pMD->GetVariableAssociations() + nnodes ); intVector currentAssociation(nnodes); intVector currentObsNodes(nnodes); int i; for( i = 0; i < nnodes; i++ ) { currentObsNodes[i] = i; } CGraph *pGraph = CGraph::Create(nnodes, NULL, NULL, NULL); CBNet *pBNet; int lineSz = int( nnodes * ( nnodes - 1 ) / 2 ); intVecVector connect; intVector indexes(lineSz, 0); int startNode, endNode; int ind; for( ind = 0; ind < lineSz ; ) { if( indexes[ind] == 1 ) { FindNodesByNumber(&startNode, &endNode, nnodes, ind); pGraph->RemoveEdge(startNode, endNode ); indexes[ind] = 0; ind++; } else { FindNodesByNumber(&startNode, &endNode, nnodes, ind); pGraph->AddEdge(startNode, endNode, 1 ); indexes[ind] = 1; ind = 0; connect.clear(); pGraph->GetConnectivityComponents(&connect); if( connect.size() == 1 ) { do { CGraph *pCopyGraph = CGraph::Copy(pGraph); int j; for( j = 0; j < nnodes; j++ ) { currentAssociation[j] = varAss[currentObsNodes[j]]; } pBNet = CBNet::Create(nnodes, varTypes, currentAssociation, pCopyGraph); pBNet->AllocFactors(); for( j = 0; j < nnodes; j++ ) { pBNet->AllocFactor( j ); pBNet->GetFactor(j)->CreateAllNecessaryMatrices(); } int dimOfModel = DimOfModel(pBNet); int k; for( k = 0; k < pEv.size(); k++ ) { valueVector vls; m_Vector_pEvidences[k]->GetRawData(&vls); pEv[k] = CEvidence::Create( pBNet->GetModelDomain(),currentObsNodes, vls ); } pLearn = CEMLearningEngine::Create(pBNet); pLearn->SetData(pEv.size(), &pEv.front()); pLearn->Learn(); int nsteps; const float *score; pLearn->GetCriterionValue(&nsteps, &score); float log_lik = score[nsteps-1]; float BIC = log_lik - 0.5f*float( dimOfModel*log(float(pEv.size())) ); if( BIC >= resultBIC ) { delete pResultBNet; resultBIC = BIC; m_critValue.push_back(BIC); pResultBNet = pBNet; resultOrder.assign( currentObsNodes.begin(), currentObsNodes.end() ); } else { delete pBNet; } for( k = 0; k < pEv.size(); k++ ) { delete pEv[k]; } delete pLearn; }while(std::next_permutation(currentObsNodes.begin(), currentObsNodes.end())); } } } delete pGraph; m_pResultGrModel = pResultBNet; m_resultRenaming.assign(resultOrder.begin(), resultOrder.end()); }
int testSetStatistics() { int ret = TRS_OK; float eps = 0.1f; int seed = pnlTestRandSeed(); pnlSeed( seed ); CBNet *pBNet = pnlExCreateCondGaussArBNet(); CModelDomain *pMD = pBNet->GetModelDomain(); CGraph *pGraph = CGraph::Copy(pBNet->GetGraph()); CBNet *pBNet1 = CBNet::CreateWithRandomMatrices( pGraph, pMD ); pEvidencesVector evidences; int nEvidences = pnlRand( 3000, 4000); pBNet->GenerateSamples( &evidences, nEvidences ); int i; for( i = 0; i < nEvidences; i++) { //evidences[i]->MakeNodeHiddenBySerialNum(0); } CEMLearningEngine *pLearn = CEMLearningEngine::Create(pBNet1); pLearn->SetData( nEvidences, &evidences.front() ); pLearn->SetMaxIterEM(); pLearn->Learn(); for( i = 0; i < pBNet->GetNumberOfFactors(); i++ ) { if( ! pBNet->GetFactor(i)->IsFactorsDistribFunEqual(pBNet1->GetFactor(i), eps)) { ret = TRS_FAIL; pBNet->GetFactor(i)->GetDistribFun()->Dump(); pBNet1->GetFactor(i)->GetDistribFun()->Dump(); } } CDistribFun *pDistr; const CMatrix<float>* pMat; CFactor *pCPD; pDistr = pBNet1->GetFactor(0)->GetDistribFun(); pMat = pDistr->GetStatisticalMatrix(stMatTable); pCPD = pBNet->GetFactor(0); pCPD->SetStatistics(pMat, stMatTable); pCPD->ProcessingStatisticalData(nEvidences); if( ! pCPD->IsFactorsDistribFunEqual(pBNet1->GetFactor(0), 0.0001f) ) { ret = TRS_FAIL; } pDistr = pBNet1->GetFactor(1)->GetDistribFun(); int parentVal; pCPD = pBNet->GetFactor(1); parentVal = 0; pCPD->SetStatistics(pMat, stMatCoeff); pMat = pDistr->GetStatisticalMatrix(stMatMu, &parentVal); pCPD->SetStatistics(pMat, stMatMu, &parentVal); pMat = pDistr->GetStatisticalMatrix(stMatSigma, &parentVal); pCPD->SetStatistics(pMat, stMatSigma, &parentVal); parentVal = 1; pMat = pDistr->GetStatisticalMatrix(stMatMu, &parentVal); pCPD->SetStatistics(pMat, stMatMu, &parentVal); pMat = pDistr->GetStatisticalMatrix(stMatSigma, &parentVal); pCPD->SetStatistics(pMat, stMatSigma, &parentVal); pCPD->ProcessingStatisticalData(nEvidences); if( ! pCPD->IsFactorsDistribFunEqual(pBNet1->GetFactor(1), eps) ) { ret = TRS_FAIL; } for( i = 0; i < nEvidences; i++) { delete evidences[i]; } delete pLearn; delete pBNet1; delete pBNet; return trsResult( ret, ret == TRS_OK ? "No errors" : "Bad test on SetStatistics"); }
int main() { PNL_USING //we create very small model to start inference on it // the model is from Kevin Murphy's BNT\examples\static\belprop_polytree_gaussain /* Do the example from Satnam Alag's PhD thesis, UCB ME dept 1996 p46 Make the following polytree, where all arcs point down 0 1 \ / 2 / \ 3 4 */ int i; //create this model int nnodes = 5; int numnt = 2; CNodeType *nodeTypes = new CNodeType[numnt]; nodeTypes[0] = CNodeType(0,2); nodeTypes[1] = CNodeType(0,1); intVector nodeAssociation = intVector(nnodes,0); nodeAssociation[1] = 1; nodeAssociation[3] = 1; int nbs0[] = { 2 }; int nbs1[] = { 2 }; int nbs2[] = { 0, 1, 3, 4 }; int nbs3[] = { 2 }; int nbs4[] = { 2 }; int *nbrs[] = { nbs0, nbs1, nbs2, nbs3, nbs4 }; int numNeighb[] = {1, 1, 4, 1, 1}; ENeighborType ori0[] = { ntChild }; ENeighborType ori1[] = { ntChild }; ENeighborType ori2[] = { ntParent, ntParent, ntChild, ntChild }; ENeighborType ori3[] = { ntParent }; ENeighborType ori4[] = { ntParent }; ENeighborType *orient[] = { ori0, ori1, ori2, ori3, ori4 }; CGraph *pGraph; pGraph = CGraph::Create(nnodes, numNeighb, nbrs, orient); CBNet *pBNet; pBNet = CBNet::Create( nnodes, numnt, nodeTypes, &nodeAssociation.front(), pGraph ); //Allocation space for all factors of the model pBNet->AllocFactors(); for( i = 0; i < nnodes; i++ ) { //Allocation space for all matrices of CPD pBNet->AllocFactor(i); } //now we need to create data for CPDs - we'll create matrices CFactor *pCPD; floatVector smData = floatVector(2,0.0f); floatVector bigData = floatVector(4,1.0f); intVector ranges = intVector(2, 1); ranges[0] = 2; smData[0] = 1.0f; CNumericDenseMatrix<float> *mean0 = CNumericDenseMatrix<float>:: Create( 2, &ranges.front(), &smData.front()); bigData[0] = 4.0f; bigData[3] = 4.0f; ranges[1] = 2; CNumericDenseMatrix<float> *cov0 = CNumericDenseMatrix<float>:: Create( 2, &ranges.front(), &bigData.front()); pCPD = pBNet->GetFactor(0); pCPD->AttachMatrix(mean0, matMean); pCPD->AttachMatrix(cov0, matCovariance); ranges[0] = 1; ranges[1] = 1; float val = 1.0f; CNumericDenseMatrix<float> *mean1 = CNumericDenseMatrix<float>:: Create( 2, &ranges.front(), &val ); CNumericDenseMatrix<float> *cov1 = CNumericDenseMatrix<float>:: Create( 2, &ranges.front(), &val ); pCPD = pBNet->GetFactor(1); pCPD->AttachMatrix(mean1, matMean); pCPD->AttachMatrix(cov1, matCovariance); smData[0] = 0.0f; smData[1] = 0.0f; ranges[0] = 2; CNumericDenseMatrix<float> *mean2 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &smData.front()); smData[0] = 2.0f; smData[1] = 1.0f; CNumericDenseMatrix<float> *w21 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &smData.front()); bigData[0] = 2.0f; bigData[1] = 1.0f; bigData[2] = 1.0f; bigData[3] = 1.0f; ranges[1] = 2; CNumericDenseMatrix<float> *cov2 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &bigData.front()); bigData[0] = 1.0f; bigData[1] = 2.0f; bigData[2] = 1.0f; bigData[3] = 0.0f; CNumericDenseMatrix<float> *w20 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &bigData.front()); pCPD = pBNet->GetFactor(2); pCPD->AttachMatrix( mean2, matMean ); pCPD->AttachMatrix( cov2, matCovariance ); pCPD->AttachMatrix( w20, matWeights,0 ); pCPD->AttachMatrix( w21, matWeights,1 ); val = 0.0f; ranges[0] = 1; ranges[1] = 1; CNumericDenseMatrix<float> *mean3 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &val); val = 1.0f; CNumericDenseMatrix<float> *cov3 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &val); ranges[1] = 2; smData[0] = 1.0f; smData[1] = 1.0f; CNumericDenseMatrix<float> *w30 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &smData.front()); pCPD = pBNet->GetFactor(3); pCPD->AttachMatrix( mean3, matMean ); pCPD->AttachMatrix( cov3, matCovariance ); pCPD->AttachMatrix( w30, matWeights,0 ); ranges[0] = 2; ranges[1] = 1; smData[0] = 0.0f; smData[1] = 0.0f; CNumericDenseMatrix<float> *mean4 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &smData.front()); ranges[1] = 2; bigData[0] = 1.0f; bigData[1] = 0.0f; bigData[2] = 0.0f; bigData[3] = 1.0f; CNumericDenseMatrix<float> *cov4 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &bigData.front()); bigData[2] = 1.0f; CNumericDenseMatrix<float> *w40 = CNumericDenseMatrix<float>:: Create(2, &ranges.front(), &bigData.front()); pCPD = pBNet->GetFactor(4); pCPD->AttachMatrix( mean4, matMean ); pCPD->AttachMatrix( cov4, matCovariance ); pCPD->AttachMatrix( w40, matWeights,0 ); //Generate random evidences for the modes int nEv = 1000; pEvidencesVector evid; pBNet->GenerateSamples( &evid, nEv ); ///////////////////////////////////////////////////////////////////// //Create copy of initial model with random matrices CGraph *pGraphCopy = CGraph::Copy(pGraph); CBNet *pLearnBNet = CBNet::CreateWithRandomMatrices(pGraphCopy, pBNet->GetModelDomain() ); // Creating learning process CEMLearningEngine *pLearn = CEMLearningEngine::Create(pLearnBNet); pLearn->SetData(nEv, &evid.front()); pLearn->Learn(); CNumericDenseMatrix<float> *pMatrix; int length = 0; const float *output; /////////////////////////////////////////////////////////////////////// std::cout<<" results of learning (number of evidences = "<<nEv<<std::endl; for (i = 0; i < nnodes; i++ ) { int j; std::cout<<"\n matrix mean for node "<<i; std::cout<<"\n initial BNet \n"; pMatrix = static_cast<CNumericDenseMatrix<float>*> (pBNet->GetFactor(i)->GetMatrix(matMean)); pMatrix->GetRawData(&length, &output); for ( j = 0; j < length; j++ ) { std::cout<<" "<<output[j]; } std::cout<<"\n BNet with random matrices after learning \n "; pMatrix = static_cast<CNumericDenseMatrix<float>*> (pLearnBNet->GetFactor(i)->GetMatrix(matMean)); pMatrix->GetRawData(&length, &output); for ( j = 0; j < length; j++) { std::cout<<" "<<output[j]; } std::cout<<"\n \n matrix covariance for node "<<i<<'\n'; std::cout<<"\n initial BNet \n"; pMatrix = static_cast<CNumericDenseMatrix<float>*> (pBNet->GetFactor(i)->GetMatrix(matCovariance)); pMatrix->GetRawData(&length, &output); for (j = 0; j < length; j++ ) { std::cout<<" "<<output[j]; } std::cout<<"\n BNet with random matrices after learning \n "; pMatrix = static_cast<CNumericDenseMatrix<float>*> (pLearnBNet->GetFactor(i)->GetMatrix(matCovariance)); pMatrix->GetRawData(&length, &output); for ( j = 0; j < length; j++ ) { std::cout<<" "<<output[j]; } std::cout<<"\n ___________________________\n"; } for( i = 0; i < nEv; i++) { delete evid[i]; } delete pLearn; delete pLearnBNet; delete pBNet; return 1; }
bool CStaticStructLearnSEM::LearnOneStep() { intVecVector decompsition; CGraph* graph = m_pCurrBNet->GetGraph(); graph->GetConnectivityComponents( &decompsition ); CEMLearningEngine* pEMLearn; if(decompsition.size() > 1) { CExInfEngine< CJtreeInfEngine, CBNet, PNL_EXINFENGINEFLAVOUR_DISCONNECTED > *pInf = CExInfEngine< CJtreeInfEngine, CBNet, PNL_EXINFENGINEFLAVOUR_DISCONNECTED >:: Create( m_pCurrBNet ); pEMLearn = CEMLearningEngine::Create(m_pCurrBNet, pInf); } else { CJtreeInfEngine *pInf = CJtreeInfEngine::Create(m_pCurrBNet); pEMLearn = CEMLearningEngine::Create(m_pCurrBNet, pInf); } int i; for(i=0; i<decompsition.size(); i++) decompsition[i].clear(); decompsition.clear(); ConvertToCurrEvidences(m_pCurrBNet); pEMLearn->SetData(m_numberOfAllEvidences, &m_vCurrEvidences.front()); pEMLearn->SetMaxIterEM(m_IterEM); // pEMLearn->ClearStatisticData(); pCPDVector vNeighborCPDs; floatVector vNeighborLLs; EDGEOPVECTOR vValidMoves; intVector vRevCorrespDel; CreateNeighborCPDs(m_pCurrBNet, &vNeighborCPDs, &vValidMoves, &vRevCorrespDel); pEMLearn->LearnExtraCPDs(m_nMaxFanIn+1, &vNeighborCPDs, &vNeighborLLs); // m_pCurrBNet = static_cast<CBNet*>(pEMLearn->GetStaticModel()); const float* familyLL = pEMLearn->GetFamilyLogLik(); floatVector familyScores(m_nNodes,0); int j, freeparams; float logebase = (float)log(float(m_numberOfAllEvidences)); float total_score = 0.0f; CFactor* pCPD; for(i=0; i<m_nNodes; i++) { pCPD = m_pCurrBNet->GetFactor(i); freeparams = pCPD->GetNumberOfFreeParameters(); familyScores[i] = familyLL[i] - 0.5f * float(freeparams) * logebase; total_score += familyScores[i]; } int nMoves = vValidMoves.size(); floatVector neighborScores(nMoves, 0); for(i=0; i<nMoves; i++) { pCPD = static_cast<CFactor*>(vNeighborCPDs[i]); freeparams = pCPD->GetNumberOfFreeParameters(); neighborScores[i] = vNeighborLLs[i] - 0.5f * float(freeparams) * logebase; } int start, end, max_position=0; float tmp_score, best_score = -1e37f; EDGEOP move; for(i=0; i<nMoves; i++) { move = vValidMoves[i]; switch (move.DAGChangeType) { case DAG_DEL : end = move.originalEdge.endNode; tmp_score = neighborScores[i] - familyScores[end]; if( best_score<tmp_score ) { best_score = tmp_score; max_position = i; } break; case DAG_ADD : end = move.originalEdge.endNode; tmp_score = neighborScores[i] - familyScores[end]; if( best_score<tmp_score ) { best_score = tmp_score; max_position = i; } break; case DAG_REV : end = move.originalEdge.startNode; tmp_score = neighborScores[i] - familyScores[end]; end = move.originalEdge.endNode; tmp_score += neighborScores[vRevCorrespDel[i]] - familyScores[end]; if( best_score<tmp_score ) { best_score = tmp_score; max_position = i; } break; } } move = vValidMoves[max_position]; start = move.originalEdge.startNode; end = move.originalEdge.endNode; EDAGChangeType changeType = move.DAGChangeType; CCPD *addCPD=0, *delCPD=0; switch (changeType) { case DAG_DEL : delCPD = static_cast<CCPD*>((vNeighborCPDs[max_position])->Clone()); break; case DAG_ADD : addCPD = static_cast<CCPD*>((vNeighborCPDs[max_position])->Clone()); break; case DAG_REV : addCPD = static_cast<CCPD*>((vNeighborCPDs[max_position])->Clone()); delCPD = static_cast<CCPD*>((vNeighborCPDs[vRevCorrespDel[max_position]])->Clone()); break; } delete pEMLearn; for(i=0; i<vNeighborCPDs.size(); i++) { delete vNeighborCPDs[i]; } vNeighborCPDs.clear(); for(i=0; i<m_numberOfAllEvidences; i++) { delete m_vCurrEvidences[i]; } m_vCurrEvidences.clear(); vValidMoves.clear(); float score_gate = (float)fabs(m_minProgress * total_score); if(best_score <= score_gate) { if(changeType == DAG_REV) { delete addCPD; delete delCPD; } if(changeType == DAG_ADD)delete addCPD; if(changeType == DAG_DEL)delete delCPD; return false; } total_score += best_score; CDAG* pDAG = CDAG::Create(*(m_pCurrBNet->GetGraph())); int node, node1, newnode; if(!(pDAG->DoMove(start, end, changeType))) { PNL_THROW(CInternalError, "There are some internal errors"); } intVector vRenaming, Old2New; CDAG* iDAG; int TopologicSorted = pDAG->IsTopologicallySorted(); if( TopologicSorted ) { iDAG = pDAG->Clone(); for(i=0; i<m_nNodes; i++) vRenaming.push_back(i); } else iDAG = pDAG->TopologicalCreateDAG(vRenaming); pDAG->Dump(); intVector gRename; for(i=0; i<m_nNodes; i++) { node = vRenaming[i]; node1 = m_vGlobalRenaming[node]; gRename.push_back(node1); } m_vGlobalRenaming.assign(gRename.begin(), gRename.end()); int pos; for(i=0; i<m_nNodes; i++) { pos = std::find(vRenaming.begin(), vRenaming.end(), i) - vRenaming.begin(); Old2New.push_back(pos); } const int* oldNodeAsso = m_pCurrBNet->GetNodeAssociations(); intVector newNodeAsso(m_nNodes,0); for(i=0; i<m_nNodes; i++) { newNodeAsso[i] = oldNodeAsso[vRenaming[i]]; } nodeTypeVector vpnt; m_pCurrBNet->GetNodeTypes(&vpnt); CBNet* pBNet = CBNet::Create(m_nNodes, vpnt.size(), &vpnt.front(), &newNodeAsso.front(), static_cast<CGraph*>(iDAG)); CModelDomain* pMDnew = pBNet->GetModelDomain(); pBNet->AllocFactors(); intVector domainNew, domainOld; const CFactor* factor=0; CFactor* curFactor; for(i=0; i<m_nNodes; i++) { domainNew.clear(); newnode = Old2New[i]; if( (i != start) && (i != end) ) { factor = m_pCurrBNet->GetFactor(i); } else { if(changeType == DAG_REV) { if(i == start) factor = addCPD->Clone(); if(i == end) factor = delCPD->Clone(); } if(changeType == DAG_DEL) { if(i == start) factor = m_pCurrBNet->GetFactor(i); if(i == end) factor = delCPD->Clone(); } if(changeType == DAG_ADD) { if(i == start) factor = m_pCurrBNet->GetFactor(i); if(i == end) factor = addCPD->Clone(); } } factor->GetDomain(&domainOld); for(j=0; j<domainOld.size(); j++) { domainNew.push_back(Old2New[domainOld[j]]); } curFactor = CFactor::CopyWithNewDomain(factor, domainNew, pMDnew); pBNet->AttachFactor(curFactor); } if(changeType == DAG_REV) { delete addCPD; delete delCPD; } if(changeType == DAG_ADD)delete addCPD; if(changeType == DAG_DEL)delete delCPD; delete m_pCurrBNet; delete pDAG; m_pCurrBNet = pBNet; m_critValue.push_back(total_score); return true; }