//实际值－预测值－置信度
void CEvaluate::CalcChart(CDoubleMatrix &m, CPtrArray *pArr)
{
int nValue = 0;
int i=0, j=0, nSize=0, nRow=0;
double fSum = 0;
CDoubleVector v;
m_fValCnt = 0;
bool bString = m_pDecTree->m_TargetField.cFieldType == fString ? true : false;
//转化非Hit值的置信度
nRow = m.mrow();
if (bString)
{
for (i=0; i<nRow; i++)
{
}
}
else
{
for (i=0; i<nRow; i++)
{
nValue = m(1)(i);//预测值
if (In(nValue)) continue;
m(2)(i) = 1-m(2)(i); //置信度
}
}
//计算Value
for (i=0; i<nRow; i++)
{
CalcConfidence(m(0)(i),m(2)(i),pArr);
}
//换算
double fSX = 0, fSY=0;
nSize = pArr->GetSize();
for (i=nSize-1; i>=0; i--)
{
CEv *pEv = (CEv *)pArr->GetAt(i);
fSX += pEv->fX;
fSY += pEv->fY;
pEv->fX = fSX;
pEv->fY = fSY;
pEv->fX /= nRow; //转换为百分位数
pEv->fY /= m_fValCnt; //转换为Gain值
}
}
double PathRecord::CalcConfidence() const
{
double w, v;
GetPrediction( w, v );
return CalcConfidence(w, v);
}