{
    "method": "Contiguous Moving-Block Bootstrap (Zero Cross-Gap Leakage, B=1000)",
    "evaluated_samples": 14385,
    "contiguous_segments_count": 16,
    "results": {
        "block_48": {
            "block_length_steps": 48,
            "block_duration": "24h (48 bước)",
            "valid_blocks_count": 14012,
            "XGBoost_vs_Persistence": {
                "delta_rmse_mean_kW": 10.2,
                "ci_rmse_95_kW": [
                    -80.3,
                    84.04
                ],
                "rmse_better_pct": 62.1,
                "delta_mae_mean_kW": -44.2,
                "ci_mae_95_kW": [
                    -97.56,
                    -2.44
                ],
                "is_significant_at_005": false
            },
            "HistGBDT_vs_Persistence": {
                "delta_rmse_mean_kW": 23.85,
                "ci_rmse_95_kW": [
                    -58.28,
                    93.27
                ],
                "rmse_better_pct": 74.6,
                "delta_mae_mean_kW": -39.15,
                "ci_mae_95_kW": [
                    -88.56,
                    1.33
                ],
                "is_significant_at_005": false
            }
        },
        "block_336": {
            "block_length_steps": 336,
            "block_duration": "7 ngày (336 bước)",
            "valid_blocks_count": 13315,
            "XGBoost_vs_Persistence": {
                "delta_rmse_mean_kW": 20.83,
                "ci_rmse_95_kW": [
                    -92.77,
                    113.92
                ],
                "rmse_better_pct": 66.6,
                "delta_mae_mean_kW": -39.56,
                "ci_mae_95_kW": [
                    -101.33,
                    13.53
                ],
                "is_significant_at_005": false
            },
            "HistGBDT_vs_Persistence": {
                "delta_rmse_mean_kW": 32.22,
                "ci_rmse_95_kW": [
                    -72.99,
                    118.98
                ],
                "rmse_better_pct": 75.2,
                "delta_mae_mean_kW": -35.31,
                "ci_mae_95_kW": [
                    -95.76,
                    14.91
                ],
                "is_significant_at_005": false
            }
        }
    }
}