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Merge branch 'tvalue'

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Dirk Hohndel 2021-01-20 09:54:03 -08:00
commit f4d806c77a
1 changed files with 2 additions and 2 deletions
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4
stats/regressionitem.cpp
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@ -45,12 +45,12 @@ void RegressionItem::updatePosition()
for (int i = 0; i < num_samples; ++i) {
double x = (maxX - minX) / (num_samples - 1) * static_cast<double>(i) + minX;
poly << QPointF(xAxis->toScreen(x),
yAxis->toScreen(reg.a * x + reg.b + 2.0 * sqrt(reg.res2 / (reg.n - 2) * (1.0 / reg.n + (x - reg.xavg) * (x - reg.xavg) / (reg.n - 1) * (reg.n -2) / reg.sx2))));
yAxis->toScreen(reg.a * x + reg.b + 1.960 * sqrt(reg.res2 / (reg.n - 2) * (1.0 / reg.n + (x - reg.xavg) * (x - reg.xavg) / (reg.n - 1) * (reg.n -2) / reg.sx2))));
}
for (int i = num_samples - 1; i >= 0; --i) {
double x = (maxX - minX) / (num_samples - 1) * static_cast<double>(i) + minX;
poly << QPointF(xAxis->toScreen(x),
yAxis->toScreen(reg.a * x + reg.b - 2.0 * sqrt(reg.res2 / (reg.n - 2) * (1.0 / reg.n + (x - reg.xavg) * (x - reg.xavg) / (reg.n - 1) * (reg.n -2) / reg.sx2))));
yAxis->toScreen(reg.a * x + reg.b - 1.960 * sqrt(reg.res2 / (reg.n - 2) * (1.0 / reg.n + (x - reg.xavg) * (x - reg.xavg) / (reg.n - 1) * (reg.n -2) / reg.sx2))));
}
QPolygonF linePolygon;
linePolygon.reserve(2);