statistics.py 文件源码

def get_col_props(var_type):
    """Get column properties

    :returns dict: Column properties
    """
    npdtype = np.dtype(var_type)

    # determine data-type categories
    is_int = isinstance(npdtype.type(), np.integer)
    is_ts = isinstance(npdtype.type(), np.datetime64)
    is_num = is_ts or isinstance(npdtype.type(), np.number)

    return dict(dtype=npdtype, is_num=is_num, is_int=is_int, is_ts=is_ts)