
    'YHh                     2    d Z ddlZddlmZmZ ddlmZ d Z	y)zExample: minimal OLS

    N)assert_almost_equalassert_allclosec                  (   t         j                  j                  d       d} t        j                  ddd      }t	        j
                  t        j                  ||dz  f      d      }t        j                  g d      }t        j                  ||      t         j                  j                  |       z   }t	        j                  ||      j                         }t        j                  d	dg      }|j                  d	dg|j                  
      }t        ||j                  |d d d f   |f   d       |j                  |j                   z  }|j#                  t        j$                  d      |j                        }	t        |	j&                  |d       t        |	j(                  |j                   d       |j+                  t        j$                  d      d d |j                        }
|j                  d d }t        j                  dd	g      }|j                  |d d d f   |f   }t        j                  |t        j                  t         j,                  j/                  |      |            t1        |      z  }t3        |
j4                  |d       y )Nr   d   
      F)prepend)   g?r   )sizer
   )columncov_p   )decimal   )r         )rtol)nprandomseedlinspacesmadd_constantcolumn_stackarraydotnormalOLSfit
cov_paramscov_HC0r   paramsHC0_set_testeyetvaluesdf_testlinalginvlenr   fvalue)nsamplexXbetayresultsidxcov12tvalsttestftestslopes
cov_slopesfvals                 ^/var/www/html/planif/env/lib/python3.12/site-packages/statsmodels/regression/tests/test_cov.pytest_HC_user=      s   IINN1G
Ab#A
AqD	2EBA88L!D
q$"))***88AffQl G ((Aq6
Cq!fGOODEws1d7|S/@A2N NN7>>)ENN266!9GOON<EeR8'.."= NN266!9Sb>NAE^^CR F
((Aa5/CQtVc!12J66&"&&z!:FCDSXMDELL$R0    )
__doc__numpyr   numpy.testingr   r   statsmodels.apiapir   r=    r>   r<   <module>rE      s     > 1r>   