U
    Ãmœd  ã                   @   s   d Z ddlmZ ddlZddgddgddd	ggd
ggZde d¡ ZdZdd„ Z	e
e	eƒƒ dZdd„ Zddgddgddd	ggd
ggZddddgfddddgfddddgfgfddgfgfZedd„ ed edƒƒD ƒƒZe d!d"d#d$d%d&d'œ¡ e
d(ƒ e
eeƒƒ g d)d*gd+d*gd,d-gg d)d*d.gd)d*d.gd/gd0d*d1gd2d*d3gd*d4gg d5d*dgg d6œZeed7d„ e ¡ D ƒƒƒZed8d9„ eeƒD ƒƒZed:d9„ e ¡ D ƒƒZdS );zšTrying out tree structure for nested logit

sum is standing for likelihood calculations

should collect and aggregate likelihood contributions bottom up

é    )ÚlrangeNé   é   é   é   é   é   é   é   c                 C   sj   t | d tƒs*d}| D ]}|t|ƒ7 }qn0t| ƒ td| t| ƒƒ trRtt|  ƒS t| ƒS td| |ƒ |S )zwalking a tree bottom-up
    r   úfinal branch withúworking on branch)Ú
isinstanceÚintÚbranchÚprintÚsumÚtestxbÚxb)ÚtreeÚ	branchsumÚb© r   úf/home/sam/Atlas/atlas_env/lib/python3.8/site-packages/statsmodels/sandbox/regression/try_treewalker.pyr      s    r   c                 C   sœ   t | tƒrT| \}}t|t| ƒ td|ƒ tr8t| }n|}|D ]}|t|ƒ }q@n8tdd„ | D ƒƒ}td| d | ¡|ƒ tr‚|S d | ¡S td| |ƒ |S )z1walking a tree bottom-up based on dictionary
    Úsubtreec                 s   s   | ]}t | V  qd S ©N)Údata2)Ú.0Zbir   r   r   Ú	<genexpr>?   s     zbranch2.<locals>.<genexpr>r   Ú r   )r   Útupler   r   r   Úbranch2r   Újoin)r   Únamer   r   r   Z	leavessumr   r   r   r    .   s     



r    ÚtopÚB1Úar   ÚB2ÚB21ÚcÚdÚB22ÚeÚfÚgÚB3Úhc                 C   s   g | ]}|‘qS r   r   )r   Úir   r   r   Ú
<listcomp>T   s     r1   Zabcdefghiè  éd   éÈ   é   é   i,  )r#   r$   r&   r'   r*   r.   z
 tree with dictionary dataZconstaÚpZconstbZconst2Zx2ÚtimeZx22ZconsteZhinceZconsttZhincfZhincgZconsth)r$   r%   r   r&   r'   r(   r)   r*   r+   r,   r-   r.   r/   r#   c                 C   s   g | ]}|D ]}|‘qqS r   r   )r   Újr0   r   r   r   r1   w   s       c                 c   s   | ]\}}||fV  qd S r   r   )r   Úidxr"   r   r   r   r   z   s     r   c                 c   s$   | ]\}}|d d„ |D ƒfV  qdS )c                 S   s   g | ]}t | ‘qS r   )Ú	paramsidx)r   r8   r   r   r   r1   }   s     z<genexpr>.<listcomp>Nr   )r   ÚkÚvr   r   r   r   }   s     )Ú__doc__Zstatsmodels.compat.pythonr   ÚnumpyÚnpr   Zaranger   r   r   r   r    Ztree2ÚdictÚzipr   ÚupdateZ	paramsindÚsortedÚsetÚvaluesZparamsnamesÚ	enumerater:   ÚitemsZinddictr   r   r   r   Ú<module>   sV   	

ÿÿúÿ
ò