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KDE produces negative densities #46

Shimuuar opened this Issue February 10, 2013 · 1 comment

1 participant

Aleksey Khudyakov
Aleksey Khudyakov

Here is simple test case:

kde 32 $ U.fromList [0,0,0,1]

It looks like negative values are artifact of FFT.

Aleksey Khudyakov


Here is example 256-point PDF for same input

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