statsmodels.sandbox.tsa.fftarma.ArmaFft.padarr¶
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ArmaFft.
padarr
(arr, maxlag, atend=True)[source]¶ pad 1d array with zeros at end to have length maxlag function that is a method, no self used
Parameters: arr : array_like, 1d
array that will be padded with zeros
maxlag : int
length of array after padding
atend : boolean
If True (default), then the zeros are added to the end, otherwise to the front of the array
Returns: arrp : ndarray
zero-padded array
Notes
This is mainly written to extend coefficient arrays for the lag-polynomials. It returns a copy.