fixed underflow calculation and viewer export
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accff41291
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5f8d4031d1
@ -63,7 +63,7 @@ public class UnderflowCorrection {
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public Table fitAllPoints(NumassData data, int xLow, int xHigh, int upper, int binning) {
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ListTable.Builder builder = new ListTable.Builder("U", "amp", "expConst", "correction");
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for (NMPoint point : data.getNMPoints()) {
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long norm = point.getCountInWindow(xLow, upper);
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double norm = ((double) point.getCountInWindow(xLow, upper))/point.getLength();
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double[] fitRes = getUnderflowExpParameters(point, xLow, xHigh, binning);
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builder.row(point.getUset(), fitRes[0], fitRes[1], fitRes[0] * fitRes[1] * (Math.exp(xLow / fitRes[1]) - 1d) / norm + 1d);
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}
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@ -90,7 +90,8 @@ public class UnderflowCorrection {
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.map(p -> new WeightedObservedPoint(
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1d / p.getValue() * point.getLength() * point.getLength(), //weight
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p.getKey(), // x
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p.getValue() / binning / point.getLength())) //y
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p.getValue() / binning / point.getLength())//y
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)
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.collect(Collectors.toList());
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SimpleCurveFitter fitter = SimpleCurveFitter.create(new ExponentFunction(), new double[]{1d, 200d});
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return fitter.fit(points);
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