there is some inconsistency in the return type of the histogram
function, 1d returns int, others return float
>>> np.histogramdd([y, x], bins=3)[0]
array([[ 3., 15., 3.],
[ 10., 2., 9.],
[ 4., 0., 5.]])
>>> np.histogram2d(y, x, bins=3)[0]
array([[ 3., 15., 3.],
[ 10., 2., 9.],
[ 4., 0., 5.]])
>>> np.histogram(y, bins=3)[0]
array([21, 21, 9])
Josef
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