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Implement a square root binning function #280

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merged 4 commits into from
Aug 4, 2021
Merged

Implement a square root binning function #280

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3d964da
Implement a square root binning function
dhellfeld Jul 21, 2021
34bdf4a
Add edge to args to be more explicit
dhellfeld Jul 21, 2021
02a1eec
Update doc, add asserts
dhellfeld Jul 21, 2021
3c3446e
Add test
dhellfeld Jul 23, 2021
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15 changes: 15 additions & 0 deletions becquerel/core/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -124,3 +124,18 @@ def bin_centers_from_edges(edges_kev):
edges_kev = np.array(edges_kev)
centers_kev = (edges_kev[:-1] + edges_kev[1:]) / 2
return centers_kev


def sqrt_bins(bin_min, bin_max, nbins):
"""
Square root binning

Args:
bin_min (float): Minimum bin edge (must be greater than 0)
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bin_max (float): Maximum bin edge (must be greater than bin_min)
nbins (int): Number of bins

Returns:
np.array of bin edges (length = nbins + 1)
"""
return np.linspace(np.sqrt(bin_min), np.sqrt(bin_max), nbins + 1) ** 2