U
    Kvf	                     @   s  d Z ddlZddlmZ ddlmZ ddlmZm	Z	m
Z
mZ edkrdZdZeed	 Zeee eed
 ee  Ze	eedZed
ged
gdged
   Zeeddd ee	ddd eee	dedd
d ed
d  d  eeededd
d ed
d  d  ddlmZ e  d
dgZd
dgZeeeZe
edd
dddgd\ZZZeee e
eddddddgd\ZZZeee e
eddddd\ZZZeee d
ZeredddZe
edd
ddd\ZZZeee e
ed	d	ddd\ZZZeee dS )z
using lfilter to get fractional integration polynomial (1-L)^d, d<1
`ri` is (1-L)^(-d), d<1

second part in here is ar2arma

only examples left

    N)gamma)signal)	lpol_fiar	lpol_fimaar2armaarma_impulse_response__main__g?i  
      )n   gٿ   )test_fig      ?d   arg?)r   msestartg   )r   r   ) __doc__ZnumpynpZscipy.specialr   Zscipyr   Zstatsmodels.tsa.arima_processr   r   r   r   __name__dr   ZarangejZri0riZlfilterZriinvprintsumZ(statsmodels.tsa.tests.test_arima_processr   Zar_trueZma_trueZ
ar_desiredZar_appZma_appresZslow r   r   B/tmp/pip-unpacked-wheel-2v6byqio/statsmodels/sandbox/tsa/try_fi.py<module>   sB   	
  ..




