| A | ↘ | B | ema got worse |
| ⇢ | A | ema.__update_covariance() added | |
| ⇢ | A | ema.__get_stop_flag() added | |
| ⇢ | A | ema.get_centers() added | |
| ⇢ | A | ema.get_covariances() added | |
| A | ↘ | B | ema.get_clusters() got worse |
| A | ↛ | gaussion_multivariable() removed | |
| A | ↛ | gaussian_singlevariable() removed | |
| A | ↛ | ema.__get_random_variances() removed | |
| A | ↛ | ema.__update_variance() removed |