昨夜も試してたが書く気にもならない結果だった(笑) で、今晩は葉を増やして
NumberOfLeaves: 319
NumberOfIterations: 2000
LearningRate: 0.01
MaximumBinCountPerFeature: 31
MinimumExampleCountPerLeaf: 50
SubsampleFraction: 0.8
FeatureFraction: 0.75
CustomGains: 0~500 = 0点, 501~1000は0.95乗に0~1000点
軽く10回試した結果、最適は
[Loop 3] NDCG@1 = 0.7671
[Loop 3] NDCG@3 = 0.7738
[Loop 3] NDCG@5 = 0.7889
[Loop 3] NDCG@10 = 0.8495
| 2,610R | 1点 | 芝(1,278R) | ダート(1,243R) | 障害(89R) | 8頭以下(157R) | 9~12頭(665R) | 13頭以上(1,788R) | 多点 |
| 単勝 | 24.67% (72.77%) |
24.41% (75.09%) |
25.02% (71.46%) |
23.60% (57.53%) |
35.03% (72.80%) |
26.92% (69.59%) |
22.93% (73.94%) |
54.79% (75.42%) |
| 複勝 | 55.36% (79.00%) |
53.36% (78.34%) |
57.20% (79.88%) |
58.43% (76.18%) |
63.69% (86.31%) |
60.30% (78.69%) |
52.80% (78.47%) |
89.58% (81.74%) |
| 枠連 | 14.01% (77.43%) |
13.42% (88.58%) |
14.23% (64.67%) |
18.99% (114.68%) |
-- (--) |
13.38% (58.17%) |
13.42% (80.05%) |
30.24% (77.99%) |
| 馬連 | 10.27% (67.60%) |
9.94% (78.18%) |
10.46% (54.03%) |
12.36% (105.06%) |
22.93% (100.70%) |
10.83% (60.20%) |
8.95% (67.44%) |
23.68% (76.05%) |
| ワイド | 24.67% (74.45%) |
23.71% (74.04%) |
25.91% (74.93%) |
21.35% (73.71%) |
42.68% (80.32%) |
27.37% (73.86%) |
22.09% (74.16%) |
46.82% (79.17%) |
| 馬単 | 5.67% (60.30%) |
5.09% (61.31%) |
6.19% (55.17%) |
6.74% (117.42%) |
12.10% (71.34%) |
6.62% (63.94%) |
4.75% (57.98%) |
23.68% (73.37%) |
| 三連複 | 7.05% (108.99%) |
6.89% (137.24%) |
7.40% (85.78%) |
4.49% (27.64%) |
13.38% (103.82%) |
7.67% (64.47%) |
6.26% (126.01%) |
16.90% (77.87%) |
| 三連単 | 1.57% (109.22%) |
1.17% (94.79%) |
2.01% (129.69%) |
1.12% (30.67%) |
2.55% (161.53%) |
2.11% (56.18%) |
1.29% (124.36%) |
16.90% (76.09%) |
| 総合 | 57.32% (81.27%) |
55.87% (85.90%) |
58.65% (77.03%) |
59.55% (74.80%) |
66.88% (96.69%) |
61.05% (65.64%) |
55.09% (85.30%) |
89.73% (76.49%) |
ちょっと精度が上がった^^ 今週末はこの線で進めてみます。
追記 2026.10.23 19:49
NumberOfLeaves: 335
NumberOfIterations: 2000
LearningRate: 0.01
MaximumBinCountPerFeature: 31
MinimumExampleCountPerLeaf: 50
SubsampleFraction: 0.8
FeatureFraction: 0.75
CustomGains: 0~500 = 0点, 501~1000は0.95乗に0~1000点
10回ためすと最適は
[Loop 5] NDCG@1 = 0.7672
[Loop 5] NDCG@3 = 0.7726
[Loop 5] NDCG@5 = 0.7891
[Loop 5] NDCG@10 = 0.8496
| 2,610R | 1点 | 芝(1,278R) | ダート(1,243R) | 障害(89R) | 8頭以下(157R) | 9~12頭(665R) | 13頭以上(1,788R) | 多点 |
| 単勝 | 24.18% (70.65%) |
23.94% (71.84%) |
24.62% (71.00%) |
21.35% (48.65%) |
38.22% (84.39%) |
26.62% (68.05%) |
22.04% (70.41%) |
55.25% (75.39%) |
| 複勝 | 54.25% (76.81%) |
51.88% (75.20%) |
56.40% (78.54%) |
58.43% (75.96%) |
65.61% (88.85%) |
58.35% (75.01%) |
51.73% (76.43%) |
89.50% (81.11%) |
| 枠連 | 14.40% (79.35%) |
13.33% (88.24%) |
15.24% (70.78%) |
16.46% (84.94%) |
-- (--) |
13.98% (65.19%) |
13.70% (79.96%) |
30.24% (77.07%) |
| 馬連 | 10.50% (68.05%) |
9.94% (77.82%) |
11.02% (58.21%) |
11.24% (65.39%) |
21.66% (92.87%) |
11.58% (63.76%) |
9.12% (67.47%) |
24.02% (79.97%) |
| ワイド | 24.52% (73.65%) |
23.94% (75.38%) |
25.26% (72.77%) |
22.47% (61.12%) |
40.76% (78.28%) |
27.22% (70.80%) |
22.09% (74.30%) |
46.70% (77.28%) |
| 馬単 | 6.05% (59.64%) |
5.79% (63.75%) |
6.36% (56.19%) |
5.62% (48.88%) |
15.29% (96.94%) |
7.52% (61.02%) |
4.70% (55.86%) |
24.02% (77.59%) |
| 三連複 | 6.90% (108.30%) |
6.89% (136.14%) |
7.00% (80.29%) |
5.62% (99.78%) |
12.74% (85.99%) |
7.67% (72.81%) |
6.10% (123.46%) |
16.59% (78.13%) |
| 三連単 | 1.53% (93.02%) |
1.33% (61.96%) |
1.77% (129.42%) |
1.12% (30.67%) |
3.18% (131.40%) |
2.11% (51.80%) |
1.17% (104.98%) |
16.59% (75.49%) |
| 総合 | 56.36% (78.68%) |
54.30% (81.16%) |
58.25% (77.19%) |
59.55% (64.13%) |
68.79% (94.10%) |
58.95% (66.05%) |
54.31% (81.61%) |
89.54% (76.78%) |
これは精度ダウン。





