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d Zd	 Zd
 Zy)z6Spector and Mazzeo (1980) - Program Effectiveness Data    )utilsrestructuredtextzMUsed with express permission of the original author, who
retains all rights. a  
http://pages.stern.nyu.edu/~wgreene/Text/econometricanalysis.htm

The raw data was downloaded from Bill Greene's Econometric Analysis web site,
though permission was obtained from the original researcher, Dr. Lee Spector,
Professor of Economics, Ball State University.z^Experimental data on the effectiveness of the personalized
system of instruction (PSI) programaj  ::

    Number of Observations - 32

    Number of Variables - 4

    Variable name definitions::

        Grade - binary variable indicating whether or not a student's grade
                improved.  1 indicates an improvement.
        TUCE  - Test score on economics test
        PSI   - participation in program
        GPA   - Student's grade point average
c                      t               S )
    Load the Spector dataset and returns a Dataset class instance.

    Returns
    -------
    Dataset
        See DATASET_PROPOSAL.txt for more information.
    )load_pandas     ^/var/www/dash_apps/app1/venv/lib/python3.12/site-packages/statsmodels/datasets/spector/data.pyloadr   %   s     =r	   c                  D    t               } t        j                  | d      S )r      )	endog_idx)	_get_dataduprocess_pandasdatas    r
   r   r   1   s     ;DTQ//r	   c                      t        j                  t        dd      } t        j                  |       } | j                  d d g df   } | j                  t              S )Nzspector.csvz\s)sep)      r      )r   load_csv__file__strip_column_namesilocastypefloatr   s    r
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