xs.shape = (100, 2)
std(x1) = 4.922053770606598
std(x2) = 3.506006965105965
std(conf1) = 1.6430975655237954
std(conf2) = 2.3147059149938363
{'_b21_dist': 'r2intervals',
'_conf_dist': [['all'], ['all'], ['all'], ['all'], ['all']],
'_e1_dist': ['uniform'],
'_e1_std': 3.0,
'_e2_dist': ['laplace'],
'_e2_std': 3.0,
'_f1_coef': ['r2intervals',
'r2intervals',
'r2intervals',
'r2intervals',
'r2intervals'],
'_f1_scale': 1.0,
'_f2_coef': ['r2intervals',
'r2intervals',
'r2intervals',
'r2intervals',
'r2intervals'],
'_f2_scale': 1.0,
'_fix_causality': False,
'_mu1_dist': 5.0,
'_mu2_dist': 10.0,
'_n_samples': 100,
'_seed': 0}