def __init__(self, mdl, tbl, xheader, yheader, n_total_point, n_sample_point, groupby_attribute=None, groupby_value=None):
    self.xheader = xheader
    self.yheader = yheader
    self.simpe_model_wrapper = SimpleModelWrapper(mdl, tbl, xheader, y=yheader, n_total_point=n_total_point, n_sample_point=n_sample_point, groupby_attribute=groupby_attribute, groupby_value=groupby_value)
def __init__(self, mdl, tbl, xheader, yheader, n_total_point, n_sample_point, groupby_attribute=None, groupby_value=None):
    self.xheader = xheader
    self.yheader = yheader
    self.simpe_model_wrapper = SimpleModelWrapper(mdl, tbl, xheader, y=yheader, n_total_point=n_total_point, n_sample_point=n_sample_point, groupby_attribute=groupby_attribute, groupby_value=groupby_value)