
    'YHh	              	       n   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r? 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       yyy)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     W/var/www/html/planif/env/lib/python3.12/site-packages/statsmodels/sandbox/tsa/try_fi.py<module>r0      s(     K K
 zAA		!B$A
!*eAaCjq)
*C	1	BFNNA3QCQqS	M2E 
)C2
	)DB
 	&"&&)DA&qr*U12Y6:
;<	&"&&)C1%ab)E!"I59
:; AI$iG#hG 'w8J!*aSd3%PFFC	&&!*aSd4QT+VFFC	&&!*aSdCFFC	&&Dsc*
%j!Q#4Hff%j"bCTJff W r.   