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    \:by                     @   sL   d Z ddlmZ ddlmZ ddlmZmZmZ dd Z	dd Z
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Created on Mon Oct  5 13:13:59 2020

Author: Josef Perktold
License: BSD-3

    )stats)assert_allclose)_noncentrality_chisquare_noncentrality_f_noncentrality_tc                  C   sp   d\} }ddg}t | |dd}t|j|dd tj||j}t| |dd ttj| ||jd	d
gdd d S )N)g      @   g}%?gk 4@皙?Zalpha{Gzt?Zrtol:0yE>333333?皙?)r   r   confintr   Zncx2meannccdf)Z	chi2_statdfci_ncresr    r   Flib/python3.9/site-packages/statsmodels/stats/tests/test_effectsize.pytest_noncent_chi2   s    r   c                  C   sx   d\} }}ddg}t | ||dd}t|j|dd tj|||j}t| |dd ttj| |||jd	d
gdd d S )N)g      @   K   gA2h?gǼ
 =@r   r	   r
   r   r   r   r   绽|=)r   r   r   r   Zncfr   r   r   )Zf_statZdf1Zdf2r   r   r   r   r   r   test_noncent_f#   s    
r   c                  C   sp   d\} }ddg}t | |dd}t|j|dd tj||j}t| |dd ttj| ||jd	d
gdd d S )N)g      ?b   gpQe޿g`-@r   r	   r
   r   r   r   r   r   )r   r   r   r   Znctr   r   r   )Zt_statr   r   r   r   r   r   r   test_noncent_t6   s    r   N)__doc__Zscipyr   Znumpy.testingr   Zstatsmodels.stats.effect_sizer   r   r   r   r   r   r   r   r   r   <module>   s   