67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
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"""Spector and Mazzeo (1980) - Program Effectiveness Data"""
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from statsmodels.datasets import utils as du
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__docformat__ = 'restructuredtext'
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COPYRIGHT = """Used with express permission of the original author, who
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retains all rights. """
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TITLE = __doc__
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SOURCE = """
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http://pages.stern.nyu.edu/~wgreene/Text/econometricanalysis.htm
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The raw data was downloaded from Bill Greene's Econometric Analysis web site,
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though permission was obtained from the original researcher, Dr. Lee Spector,
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Professor of Economics, Ball State University."""
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DESCRSHORT = """Experimental data on the effectiveness of the personalized
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system of instruction (PSI) program"""
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DESCRLONG = DESCRSHORT
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NOTE = """::
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Number of Observations - 32
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Number of Variables - 4
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Variable name definitions::
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Grade - binary variable indicating whether or not a student's grade
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improved. 1 indicates an improvement.
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TUCE - Test score on economics test
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PSI - participation in program
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GPA - Student's grade point average
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"""
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def load():
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"""
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Load the Spector dataset and returns a Dataset class instance.
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Returns
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-------
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Dataset
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See DATASET_PROPOSAL.txt for more information.
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"""
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return load_pandas()
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def load_pandas():
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"""
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Load the Spector dataset and returns a Dataset class instance.
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Returns
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-------
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Dataset
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See DATASET_PROPOSAL.txt for more information.
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"""
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data = _get_data()
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return du.process_pandas(data, endog_idx=3)
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def _get_data():
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data = du.load_csv(__file__, 'spector.csv', sep=r'\s')
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data = du.strip_column_names(data)
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data = data.iloc[:, [1, 2, 3, 4]]
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return data.astype(float)
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