ó
áp7]c           @  sü  d  Z  d d l m 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 rød Z d	 Z e j e d
 ƒ Z e e e ƒ e e d ƒ e e ƒ Z e e d e ƒZ e j d g e d g d g e d ƒ Z e e
 d d d ƒƒ e e d d d ƒƒ e e j e d d e ƒd e d d ƒ ƒ e e j e
 d d e ƒd e d d ƒ 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 d d d g ƒ\ Z Z Z  e e e ƒ e e d d d d d d d d d g ƒ\ Z Z Z  e e e ƒ e e d d d d d d ƒ\ Z Z Z  e e e ƒ d Z! e! røe
 d d d ƒZ e e d d d d d d ƒ\ Z Z Z  e e e ƒ e e d
 d
 d d d d ƒ\ Z Z Z  e e e ƒ qøn  d S(   s’   
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

iÿÿÿÿ(   t   print_functionN(   t   gamma(   t   signal(   t	   lpol_fiart	   lpol_fimat   ar2armat   arma_impulse_responset   __main__gš™™™™™Ù?iè  i
   i   t   ni    i   gš™™™™™Ù¿i   (   t   test_fig      à?id   t   mset   art   startgš™™™™™¹?gš™™™™™¹¿i   ("   t   __doc__t
   __future__R    t   numpyt   npt   scipy.specialR   t   scipyR   t   statsmodels.tsa.arima_processR   R   R   R   t   __name__t   dR   t   aranget   jt   ri0t   rit   lfiltert   riinvt   printt   sumt(   statsmodels.tsa.tests.test_arima_processR	   t   ar_truet   ma_truet
   ar_desiredt   ar_appt   ma_appt   rest   slow(    (    (    s=   lib/python2.7/site-packages/statsmodels/sandbox/tsa/try_fi.pyt   <module>
   sD   "(*//03'''