| norm_decimal | Decimal Scaling Normalization |
| norm_l2 | L2 Normalization (Unit Vector) |
| norm_mean | Mean Normalization |
| norm_minmax | Min-Max Normalization |
| norm_mode_range | M-Score (Mode-Range Normalization) |
| norm_robust | Robust Standardization (Median-MAD) |
| norm_zscore | Z-Score Standardization |
| pp_plot | Visualize Distribution: Before vs After |
| sim_gait_data | Simulated Geriatric Gait Data |
| trans_boxcox | Box-Cox Transformation |
| trans_log | Logarithmic Transformation |
| trans_yeojohnson | Yeo-Johnson Transformation |