statsmodels.sandbox.tsa.fftarma.ArmaFft.padarr

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 – zero-padded array
Return type:	ndarray

Notes

This is mainly written to extend coefficient arrays for the lag-polynomials. It returns a copy.