U
    Ãmœdô	  ã                   @   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 ƒeed
 ƒeeƒ  Ze	eed�Ze d
ged
gdged
   ¡Zeeddd�ƒ ee	ddd�ƒ ee e	ded�d
d… ed
d…  d ¡ƒ ee eded�d
d… ed
d…  d ¡ƒ ddlmZ eƒ  d
dgZd
dgZeeeƒZe
edd
dddgd�\ZZZeeeƒ e
eddddddgd�\ZZZeeeƒ e
eddddd�\ZZZeeeƒ d
Ze�reddd�Ze
edd
ddd�\ZZZeeeƒ e
ed	d	ddd�\ZZZeeeƒ 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

é    N)Úgamma)Úsignal)Ú	lpol_fiarÚ	lpol_fimaÚar2armaÚarma_impulse_responseÚ__main__gš™™™™™Ù?iè  é
   é   )Úné   gš™™™™™Ù¿é   )Útest_fig      à?éd   Úargš™™™™™¹?)r   ÚmseÚstartgš™™™™™¹¿é   )r   r   ) Ú__doc__ÚnumpyÚnpZscipy.specialr   Zscipyr   Zstatsmodels.tsa.arima_processr   r   r   r   Ú__name__Údr   ZarangeÚjZri0ÚriZlfilterZriinvÚprintÚsumZ(statsmodels.tsa.tests.test_arima_processr   Zar_trueZma_trueZ
ar_desiredZar_appZma_appÚresZslow© r   r   úW/home/sam/Atlas/atlas_env/lib/python3.8/site-packages/statsmodels/sandbox/tsa/try_fi.pyÚ<module>   sB   	
  ..




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