本文整理汇总了C++中CFactor::GetNumberOfFreeParameters方法的典型用法代码示例。如果您正苦于以下问题：C++ CFactor::GetNumberOfFreeParameters方法的具体用法？C++ CFactor::GetNumberOfFreeParameters怎么用？C++ CFactor::GetNumberOfFreeParameters使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CFactor的用法示例。
在下文中一共展示了CFactor::GetNumberOfFreeParameters方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: LearnOneStep
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;
}
//.........这里部分代码省略.........