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binning added to points

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This commit is contained in:
Dominik Demuth 2023-05-22 18:49:27 +02:00
parent 09a2b61160
commit 8d55430246
1 changed files with 26 additions and 1 deletions
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27
src/nmreval/data/points.py
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@ -488,7 +488,7 @@ class Points:
x = self._x
if y is None:
y = self._y
if y_err is not None:
if y_err is None:
y_err = self._y_err
self._x, self._y, self._y_err, self.mask = self._prepare_xy(x, y, y_err)
@ -541,6 +541,31 @@ class Points:
return self
def binning(self, decimals=2):
copy = self.copy()
upper_lim = np.round(self.x[-1], decimals=decimals)
lower_lim = np.round(self.x[0], decimals=decimals)
tens = 10**decimals
offset = 0.5 / tens
xbins = np.linspace(lower_lim - offset, upper_lim + offset, num=int(tens * (upper_lim-lower_lim)+2))
n, _ = np.histogram(copy.x, bins=xbins)
sum_y, _ = np.histogram(copy.x, bins=xbins, weights=copy.y)
sum_yerr_2, _ = np.histogram(copy.x, bins=xbins, weights=copy.y_err**2)
isnan = n != 0
n = n[isnan]
sum_y = sum_y[isnan]
sum_yerr_2 = sum_yerr_2[isnan]
xaxis = (xbins[:-1] + offset)[isnan]
copy.set_data(xaxis, sum_y/n, y_err=np.sqrt(sum_yerr_2/n))
return copy
def shift(self, points: int) -> PointLike:
"""
Shift indexes of y values.