def generate_X1(): return pd.Series(experiments_helper.sample_mixture([0.5, 0.5], [-2, 2], [1, 1], size, seed=seed+1), name="X1")
def generate_B(): return pd.Series(experiments_helper.sample_mixture([0.5, 0.5], [-2, 2], [1, 1], size), name="A")
def generate_X12(): return pd.Series( experiments_helper.sample_mixture([0.3, 0.4, 0.3], [-2, 0, 2], [0.5, 1, 0.5], size, seed=seed+12), name="X12")