
    M/Ph                     4    d Z ddlZddlmZmZ ddlmZ d Z	dS )zExample: minimal OLS

    N)assert_almost_equalassert_allclosec                     t           j                            d           d} t          j        ddd          }t	          j        t          j        ||dz  f          d          }t          j        g d          }t          j        ||          t           j        	                    |           z   }t	          j
        ||                                          }t          j        d	dg          }|                    d	dg|j        
          }t          ||j        |d d d f         |f         d           |j        |j        z  }|                    t          j        d          |j                  }	t          |	j        |d           t          |	j        |j        d           |                    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                            |          |                    t1          |          z  }t3          |
j        |d           d S )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                 e/var/www/html/test/jupyter/venv/lib/python3.11/site-packages/statsmodels/regression/tests/test_cov.pytest_HC_user=      s"   INN1G
Ab#A
AqD	22EBBBA8LLL!!D
q$")***888AfQll  G (Aq6

Cq!fGODDEws111d7|S/@A2NNNN N7>)ENN26!99GON<<EeR8888'."==== NN26!99SbS>NAAE^CRC F
(Aa5//CQQQtVc!12J6&"&z!:!:FCCDDSXXMDEL$R000000    )
__doc__numpyr   numpy.testingr   r   statsmodels.apiapir   r=    r>   r<   <module>rE      s`         > > > > > > > >      1 1 1 1 1r>   