__init__.py 文件源码

def gerber_green_imai():
    """
    This is the dataset from Imai (2005) used to replicate and evaluate
    the field experiment done by Gerber and Green (2000).

    Notes
    -----
    .. Gerber, Alan S. and Donald P. Green. 2000. "The effects of canvassing,
    telephone calls, and direct mail on voter turnout: a field experiment."
    American Political Science Review 94: 653-663.

    .. Gerber, Alan S. and Donald P. Green. 2005. "Correction to Gerber and Green (2000),
    replication of disputed findings, and reply to Imai (2005)." American Political 
    Science Review 99: 301-313.

    .. Imai, Kosuke. 2005. "Do get-out-the-vote calls reduce turnout? The importance of 
    statistical methods for field experiments." American Political Science Review 99: 
    283-300.
    """
    fin = _os.path.join(data_dir, 'GerberGreenImai.txt')
    data = pd.read_table(fin, sep = '\s+')
    data.index = range(data.shape[0])
    return data