
    M/Ph	              	       $   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    rdZdZ ej        ed	z            Z eeez              eed
z              ee          z  z  Z e	ee          Z ej        d
ged
gdged
z
  z  z             Z	  e edd                      e e	dd                      e ej         e	de          d
d         ed
d         z   dz                        e ej         ede          d
d         ed
d         z
  dz                       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          \  ZZZ eee            e
eddddddg          \  ZZZ eee            e
edddd          \  ZZZ eee           d
ZerQ edd          Z e
edd
dd          \  ZZZ eee            e
ed	d	dd          \  ZZZ eee           dS dS 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__numpynpscipy.specialr   scipyr   statsmodels.tsa.arima_processr   r   r   r   __name__dr   arangejri0rilfilterriinvprintsum(statsmodels.tsa.tests.test_arima_processr   ar_truema_true
ar_desiredar_appma_appresslow     ^/var/www/html/test/jupyter/venv/lib/python3.11/site-packages/statsmodels/sandbox/tsa/try_fi.py<module>r0      sy                   K K K K K K K K K K K K
 zAA	!B$A
%!**eeAaCjjq)
*C	1			BFNA3QCQqS	M22E 
E))C2


	E))DB


   	E&"&))DA&&&qrr*U122Y6:
;
;<<<	E&"&))C1%%%abb)E!""I59
:
:;;; A@@@@@GIII$iG#hG '&w88J!'*aSd3%PPPFFC	E&&!'*aSd4QT+VVVFFC	E&&!'*aSdCCCFFC	E&&D Ysc***
%gj!Q#4HHHff%gj"bCTJJJffa V r.   