def load_pandas():
    """Load the credit card data and returns a Dataset class.

    Returns
    -------
    Dataset instance:
        See DATASET_PROPOSAL.txt for more information.
    """
    data = _get_data()
    return du.process_recarray_pandas(data, endog_idx=0)

def load_pandas():
    """Load the anes96 data and returns a Dataset class.

    Returns
    -------
    Dataset instance:
        See DATASET_PROPOSAL.txt for more information.
    """
    data = _get_data()
    return du.process_recarray_pandas(data, endog_idx=5, exog_idx=[10, 2, 6, 7, 8], dtype=float)

def load_pandas():
    """
    Load the Spector dataset and returns a Dataset class instance.

    Returns
    -------
    Dataset instance:
        See DATASET_PROPOSAL.txt for more information.
    """
    data = _get_data()
    return du.process_recarray_pandas(data, endog_idx=3, dtype=float)

def load_pandas():
    """
    Loads the RAND HIE data and returns a Dataset class.

    ----------
    endog - response variable, mdvis
    exog - design

    Returns
    Load instance:
        a class of the data with array attrbutes 'endog' and 'exog'
    """
    from pandas import read_csv
    data = read_csv(PATH)
    return du.process_recarray_pandas(data, endog_idx=0)

def load_pandas():
    """
    Loads the Grunfeld data and returns a Dataset class.

    Returns
    -------
    Dataset instance:
        See DATASET_PROPOSAL.txt for more information.

    Notes
    -----
    raw_data has the firm variable expanded to dummy variables for each
    firm (ie., there is no reference dummy)
    """
    from pandas import DataFrame
    data = _get_data()
    raw_data = categorical(data, col='firm', drop=True)
    ds = du.process_recarray_pandas(data, endog_idx=0)
    ds.raw_data = DataFrame(raw_data)
    return ds