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bugfixed auto-ranged KDE to include the minimum and maximum value in the output

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This commit is contained in:
jkriege2 2019-06-16 19:14:09 +02:00
parent c8395f2ada
commit 56d59b1760
1 changed files with 13 additions and 8 deletions
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21
lib/jkqtcommon/jkqtpstatkde.h
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@ -239,11 +239,15 @@ inline void jkqtpstatKDE1DAutoranged(InputIt first, InputIt last, OutputIt KDEXO
const double binw=range/static_cast<double>(Nout);
// calculate the KDE
for (int i=0; i<Nout; i++) {
const double x=minV+static_cast<double>(i)*binw+binw/2.0;
histX.push_back(x);
histY.push_back(jkqtpstatEvaluateKernelSum(x, first, last, kernel, bandwidth));
for (double xi=minV; xi<=maxV; xi+=binw) {
histX.push_back(xi);
histY.push_back(jkqtpstatEvaluateKernelSum(xi, first, last, kernel, bandwidth));
}
if (histX.size()>0 && histX[histX.size()-1]<maxV) {
histX.push_back(maxV);
histY.push_back(jkqtpstatEvaluateKernelSum(maxV, first, last, kernel, bandwidth));
}
// output the KDE
@ -287,16 +291,17 @@ inline void jkqtpstatKDE1DAutoranged(InputIt first, InputIt last, OutputIt KDEXO
std::vector<double> histX;
std::vector<double> histY;
const double range=maxV-minV;
const double binw=binWidth;
const int Nout=static_cast<int>(ceil(range/binWidth));
// calculate the KDE
for (int i=0; i<Nout; i++) {
const double xi=minV+static_cast<double>(i)*binw+binw/2.0;
for (double xi=minV; xi<=maxV; xi+=binw) {
histX.push_back(xi);
histY.push_back(jkqtpstatEvaluateKernelSum(xi, first, last, kernel, bandwidth));
}
if (histX.size()>0 && histX[histX.size()-1]<maxV) {
histX.push_back(maxV);
histY.push_back(jkqtpstatEvaluateKernelSum(maxV, first, last, kernel, bandwidth));
}
// output the KDE