o
    Eb                     @   s   d dl Zd dlmZmZmZmZ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 dd Zdd	 Zd
d Zdd Zdd Zdd Zdd Zdd Zejdg ddd ZdS )    N)assert_equalassert_array_equalassert_array_almost_equalassert_approx_equalassert_allclose)raises)xlogy)marginsexpected_freqchi2_contingencyassociationc                  C   s^  t dg} t| }tt|d |d }t|t dg t dgg} t| \}}t dgg}t dgg}t|| t|| t ddd} t| \}}t dgdgg}t g dg}t|| t|| t d	dd
d} t| \}}}t dggdggg}t dgdgdggg}t g dgg}t|| t|| t|| d S )N   r               3   )r      
   r                  B      <   \   |   )r   r   H   N   )nparrayr	   r   lenr   ZarangeZreshape)amZm0Zm1Z	expected0Z	expected1Zm2Z	expected2 r&   D/usr/lib/python3/dist-packages/scipy/stats/tests/test_contingency.pytest_margins   s2   





r(   c                  C   s   t tdgtdg tddgddggddgddggddgddggg} t| }t |t|  tg dg dg} t| }tg dg dg}t|| d S )	Nr         ?r   r   )r   r      )r*   r*   r*   )      (@r+   g      0@)      2@r,   g      8@)r   r
   r!   r"   Z	ones_liker   )observedeZcorrectr&   r&   r'   test_expected_freq+   s   4r/   c                  C   s   t ddgddgg} t| dd\}}}}t|d t|d t|d t| | t g d} t| dd\}}}}t|d t|d t|d t| | d S )	Nr   r   F)
correctiong        r)   )r   r   r   r   )r!   r"   r   r   r   obsZchi2pdofexpectedr&   r&   r'   test_chi2_contingency_trivial8   s   






r6   c                  C   s   t g dg dg dg dgg dg dg dg dgg} t| \}}}}t|d	d
d t|ddd t|d t ddgddggddgddgggddgddggddgddgggg} t| \}}}}t|ddd t|ddd t|d d S )N)r   "      )#         )r       	   )r   r   r   )r   /   r;   )r7   r      )r?         )r=   !      g{GY@   )Zsignificantg"j,5#=r      r   r;   r   r   r8         r   gjt!@gQI?)r!   r"   r   r   r   r1   r&   r&   r'   test_chi2_contingency_RL   sL   	
&	rH   c                  C   s   t ddgddgg} t| ddd\}}}}t|dt| | |    t| ddd\}}}}| t d	d
gd
d	gg }t|dt|||    t g dg dg} t| dd\}}}}t|dt| | |    d S )Nr   r   Z   zlog-likelihoodF)lambda_r0   r   Tg      g      ?)r   r   r   )r   r   r   )rJ   )r!   r"   r   r   r   sum)cgr3   r4   r.   Zc_corrr&   r&   r'   test_chi2_contingency_g   s    rN   c                  C   s^   t ddgddgg} ttt|  t ddgddgg} ttt|  t d} ttt|  d S )Nr   r   r   r   )r   r   )r!   r"   assert_raises
ValueErrorr   empty)r2   r&   r&   r'   test_chi2_contingency_bad_args   s   
rS   c                  C   s4   t ddgddgg} t| d }t|ddd d S )Ni%  r   r   r   r   g-q=)Zrtol)r!   r"   r   r   )r-   r3   r&   r&   r'   #test_chi2_contingency_yates_gh13875   s   rT   c                   C   sz   t ttddgddggd t ttddggddgggd t ttddgddggd t tttjddgd	dggtd
d d S )Nr   r   r   r   XcramerrO   r   dd)Zdtype)rP   rQ   r   r!   r"   objectr&   r&   r&   r'   test_bad_association_args   s   rY   zstat, expected))rV   g?)Z	tschuprowg:ǰ`ڳ?)Zpearsong!2q܍?c                 C   s6   t g dg dg dg}t|| d}t|| d S )N)r   r@   r   r   r   )rE   r   r?   rA   r;   )r=   r   r   r   r;   )r-   method)r!   r"   r   r   )statr5   Zobs1r$   r&   r&   r'   
test_assoc   s   
r\   )Znumpyr!   Znumpy.testingr   r   r   r   r   Zpytestr   rP   Zscipy.specialr   Zscipy.stats.contingencyr	   r
   r   r   r(   r/   r6   rH   rN   rS   rT   rY   ZmarkZparametrizer\   r&   r&   r&   r'   <module>   s$    _