| { | |
| "learned_temperature": 1.650000000000001, | |
| "selected_by": "ece_grid_on_fit_set", | |
| "grid": { | |
| "lo": 0.5, | |
| "hi": 20.000000000000018, | |
| "step": 0.05 | |
| }, | |
| "candidates": { | |
| "nll_optimal_T": 2.1000000000000014, | |
| "ece_optimal_T": 1.650000000000001, | |
| "brier_optimal_T": 1.700000000000001, | |
| "gap_zero_T": 1.750000000000001 | |
| }, | |
| "known_tradeoff": "★ ECE 最优的 T 会【过度校正】平均置信度（peak 口径非线性所致）：ECE 最优处 gap<0，gap=0 处 ECE 略高。两者用途不同，不是 bug。", | |
| "fit_n": 1399, | |
| "eval_n": 1399, | |
| "before": { | |
| "acc": 0.7019299499642602, | |
| "mean_conf": 0.816660356396593, | |
| "gap": 0.11473040643233279, | |
| "ece": 0.12728501762378236, | |
| "brier": 0.1746328467529055 | |
| }, | |
| "after": { | |
| "T": 1.650000000000001, | |
| "acc": 0.7019299499642602, | |
| "mean_conf": 0.7088651948607514, | |
| "gap": 0.006935244896491222, | |
| "ece": 0.05075217925967601, | |
| "brier": 0.15447520839714682 | |
| }, | |
| "evaluated_on_eval_set": { | |
| "未标定": { | |
| "T": 1.0, | |
| "acc": 0.7019299499642602, | |
| "mean_conf": 0.816660356396593, | |
| "gap": 0.11473040643233279, | |
| "ece": 0.12728501762378236, | |
| "brier": 0.1746328467529055 | |
| }, | |
| "NLL 最优": { | |
| "T": 2.1000000000000014, | |
| "acc": 0.7019299499642602, | |
| "mean_conf": 0.6337819371867018, | |
| "gap": -0.06814801277755833, | |
| "ece": 0.06985360079196457, | |
| "brier": 0.1592315759893245 | |
| }, | |
| "ECE 最优": { | |
| "T": 1.650000000000001, | |
| "acc": 0.7019299499642602, | |
| "mean_conf": 0.7088651948607514, | |
| "gap": 0.006935244896491222, | |
| "ece": 0.05075217925967601, | |
| "brier": 0.15447520839714682 | |
| }, | |
| "Brier 最优": { | |
| "T": 1.700000000000001, | |
| "acc": 0.7019299499642602, | |
| "mean_conf": 0.7004748391342072, | |
| "gap": -0.001455110830053008, | |
| "ece": 0.04773369963781429, | |
| "brier": 0.15426105938994958 | |
| }, | |
| "gap=0（置信无偏）": { | |
| "T": 1.750000000000001, | |
| "acc": 0.7019299499642602, | |
| "mean_conf": 0.692083567325022, | |
| "gap": -0.009846382639238205, | |
| "ece": 0.04852943644973566, | |
| "brier": 0.15423682907419622 | |
| }, | |
| "当前生效": { | |
| "T": 3.7500000000000027, | |
| "acc": 0.7019299499642602, | |
| "mean_conf": 0.4126402496230805, | |
| "gap": -0.2892897003411797, | |
| "ece": 0.2892897003411796, | |
| "brier": 0.2554843314346952 | |
| } | |
| }, | |
| "note": "在留出集的一半上按 ECE 网格搜索 T，另一半评估；准确率不变。★ 温度已回写进 .pt 的 meta（第 27 轮修复）。" | |
| } |