na-tech-jobs-salary-v1 / ladder_report.json
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v1 :: winning tier = tier5_xgboost_optuna, MAE ≈ 29091 USD/yr
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{
"parent_run_id": "9a63f1b9110c4eddb356f18172607135",
"n_train": 4917,
"n_test": 1226,
"tiers": [
{
"tier": "tier0_constant",
"mae": 60509.0,
"mae_ci_low": 57405.0,
"mae_ci_high": 63536.0,
"mape_pct": 33.65,
"r2_log": -0.0001,
"n_test": 1226,
"cv_mae": 62279.0,
"cv_mae_ci_low": 60528.0,
"cv_mae_ci_high": 63759.0,
"cv_mape_pct": 34.2065,
"cv_r2_log": -0.0015
},
{
"tier": "tier1_stratified_mean",
"mae": 59589.0,
"mae_ci_low": 56469.0,
"mae_ci_high": 62505.0,
"mape_pct": 32.89,
"r2_log": 0.0447,
"n_test": 1226,
"cv_mae": 61623.0,
"cv_mae_ci_low": 59939.0,
"cv_mae_ci_high": 63068.0,
"cv_mape_pct": 33.8121,
"cv_r2_log": 0.025
},
{
"tier": "tier2_mincer_ols",
"mae": 51322.0,
"mae_ci_low": 48366.0,
"mae_ci_high": 54199.0,
"mape_pct": 27.36,
"r2_log": 0.2827,
"n_test": 1226,
"cv_mae": 52041.0,
"cv_mae_ci_low": 50416.0,
"cv_mae_ci_high": 53389.0,
"cv_mape_pct": 27.5026,
"cv_r2_log": 0.2866
},
{
"tier": "tier3_ridge_full",
"mae": 43199.0,
"mae_ci_low": 40907.0,
"mae_ci_high": 45464.0,
"mape_pct": 23.25,
"r2_log": 0.462,
"n_test": 1226,
"cv_mae": 42179.0,
"cv_mae_ci_low": 40951.0,
"cv_mae_ci_high": 43236.0,
"cv_mape_pct": 22.3104,
"cv_r2_log": 0.5092
},
{
"tier": "tier4_random_forest",
"mae": 35935.0,
"mae_ci_low": 33906.0,
"mae_ci_high": 38129.0,
"mape_pct": 19.02,
"r2_log": 0.6151,
"n_test": 1226,
"cv_mae": 37016.0,
"cv_mae_ci_low": 35799.0,
"cv_mae_ci_high": 38046.0,
"cv_mape_pct": 19.3399,
"cv_r2_log": 0.6099
},
{
"tier": "tier5_xgboost_optuna",
"mae": 29091.0,
"mae_ci_low": 27095.0,
"mae_ci_high": 31157.0,
"mape_pct": 14.73,
"r2_log": 0.73,
"n_test": 1226,
"cv_mae": 30533.0,
"cv_mae_ci_low": 29409.0,
"cv_mae_ci_high": 31537.0,
"cv_mape_pct": 15.6159,
"cv_r2_log": 0.7051
}
],
"winning_tier": "tier5_xgboost_optuna"
}