statsmodels.tsa.stattools.periodogram¶

statsmodels.tsa.stattools.periodogram(X)[source]¶

Returns the periodogram for the natural frequency of X

Parameters:	X (array-like) – Array for which the periodogram is desired.
Returns:	pgram – 1./len(X) * np.abs(np.fft.fft(X))**2
Return type:	array

References

Brockwell and Davis.