--- Train conf_scores MEAN: 0.941807684792781, STD: 0.09597256446333678
--- Test: 1 rank: 1 conf_scores MEAN: 0.8921738526428481, STD: 0.2375459586589985
--- Test: 2 rank: 2 conf_scores MEAN: 0.9018547379104845, STD: 0.23731184405493166
--- Test: 3 rank: 3 conf_scores MEAN: 0.9215582933235035, STD: 0.16069206339891742
--- Test: 4 rank: 4 conf_scores MEAN: 0.8287186203566279, STD: 0.14024781043236964

