Revert to state from commit d1e851f8

README.md

@@ -18,7 +18,7 @@ This hospital-readmission-phase2-rf model predicts the risk of 30-day hospital r
 
 **Task:** Hospital 30-Day Readmission Risk Prediction  
 **Model Type:** Gradient Boosting Machine (LightGBM)  
-**Training Date:** 2025-12-24 09:48:39  
+**Training Date:** 2025-12-15 19:30:35  
 **Environment:** kaggle (CPU)
 
 ## Performance Metrics
@@ -27,28 +27,28 @@ This hospital-readmission-phase2-rf model predicts the risk of 30-day hospital r
 
 | Metric | Value |
 |--------|-------|
-| Mean ROC-AUC | 0.6629 ± 0.0043 |
+| Mean ROC-AUC | 0.8295 ± 0.0058 |
 
 ### Final Test Set Results
 
 #### Primary Metrics
 | Metric | Value |
 |--------|-------|
-| ROC-AUC | 0.6727 |
-| PR-AUC | 0.2200 |
-| F1 Score | 0.1233 |
+| ROC-AUC | 0.8326 |
+| PR-AUC | 0.3641 |
+| F1 Score | 0.4324 |
 
 #### Classification Metrics
 | Metric | Value |
 |--------|-------|
-| Precision | 0.3325 |
-| Recall | 0.0757 |
+| Precision | 0.3540 |
+| Recall | 0.5552 |
 
 #### Clinical Metrics
 | Metric | Value |
 |--------|-------|
-| Sensitivity (TPR) | 0.0757 |
-| Specificity (TNR) | 0.9809 |
+| Sensitivity (TPR) | 0.5552 |
+| Specificity (TNR) | 0.8727 |
 
 ## Model Visualizations
 
@@ -81,7 +81,7 @@ This hospital-readmission-phase2-rf model predicts the risk of 30-day hospital r
 | Property | Value |
 |----------|-------|
 | Total Samples | 101,766 |
-| Features | 120 |
+| Features | 113 |
 | Development Set | 86,501 |
 | Final Test Set | 15,265 |
 
@@ -99,10 +99,13 @@ This hospital-readmission-phase2-rf model predicts the risk of 30-day hospital r
 {
   "n_estimators": 500,
   "max_depth": null,
-  "min_samples_split": 2,
+  "min_samples_split": 10,
   "min_samples_leaf": 4,
   "max_features": "sqrt",
-  "class_weight": "balanced",
+  "class_weight": {
+    "0": 1,
+    "1": 8
+  },
   "bootstrap": true,
   "oob_score": true
 }
@@ -110,8 +113,8 @@ This hospital-readmission-phase2-rf model predicts the risk of 30-day hospital r
 
 ## Training Details
 
-- **Total Training Time:** 281.02 minutes
-- **Hyperparameter Search Time:** 259.81 minutes
+- **Total Training Time:** 343.65 minutes
+- **Hyperparameter Search Time:** 319.03 minutes
 - **Cross-Validation Folds:** 5
 - **Early Stopping:** Yes
 - **Device:** CPU

cv_fold_details.json

@@ -2,131 +2,131 @@
   {
     "fold": 1,
     "metrics": {
-      "roc_auc": 0.6656906609181362,
-      "pr_auc": 0.20520858450306695,
-      "precision": 0.3085339168490153,
-      "recall": 0.07301916105644744,
-      "f1": 0.11809045226130653,
-      "accuracy": 0.8782729322004509,
-      "balanced_accuracy": 0.526229814750735,
-      "sensitivity": 0.07301916105644744,
-      "specificity": 0.9794404684450227,
-      "ppv": 0.3085339168490153,
-      "npv": 0.8937307052956542,
-      "fpr": 0.02055953155497723,
-      "fnr": 0.9269808389435525,
-      "true_positives": 141,
-      "true_negatives": 15054,
-      "false_positives": 316,
-      "false_negatives": 1790,
-      "brier_score": 0.1256022416751888
+      "roc_auc": 0.8320064003838342,
+      "pr_auc": 0.3468972181615831,
+      "precision": 0.355772584583188,
+      "recall": 0.5282237182806836,
+      "f1": 0.425177157148812,
+      "accuracy": 0.8405872492919484,
+      "balanced_accuracy": 0.7040272787890081,
+      "sensitivity": 0.5282237182806836,
+      "specificity": 0.8798308392973324,
+      "ppv": 0.355772584583188,
+      "npv": 0.9368851323264514,
+      "fpr": 0.12016916070266753,
+      "fnr": 0.4717762817193164,
+      "true_positives": 1020,
+      "true_negatives": 13523,
+      "false_positives": 1847,
+      "false_negatives": 911,
+      "brier_score": 0.10133066832539106
     },
     "train_size": 69200,
     "holdout_size": 17301,
-    "oob_score": 0.8777890173410404
+    "oob_score": 0.8384248554913295
   },
   {
     "fold": 2,
     "metrics": {
-      "roc_auc": 0.6683598693370101,
-      "pr_auc": 0.205217000016044,
-      "precision": 0.29782082324455206,
-      "recall": 0.06373056994818653,
-      "f1": 0.10499359795134443,
-      "accuracy": 0.87878612716763,
-      "balanced_accuracy": 0.5224313227099423,
-      "sensitivity": 0.06373056994818653,
-      "specificity": 0.9811320754716981,
-      "ppv": 0.29782082324455206,
-      "npv": 0.8929946112394149,
-      "fpr": 0.018867924528301886,
-      "fnr": 0.9362694300518135,
-      "true_positives": 123,
-      "true_negatives": 15080,
-      "false_positives": 290,
-      "false_negatives": 1807,
-      "brier_score": 0.12554301540065185
+      "roc_auc": 0.8340020428733721,
+      "pr_auc": 0.35619901969389883,
+      "precision": 0.35601915184678523,
+      "recall": 0.539378238341969,
+      "f1": 0.4289245982694685,
+      "accuracy": 0.8397687861271677,
+      "balanced_accuracy": 0.7084334262627217,
+      "sensitivity": 0.539378238341969,
+      "specificity": 0.8774886141834743,
+      "ppv": 0.35601915184678523,
+      "npv": 0.9381608235948804,
+      "fpr": 0.1225113858165257,
+      "fnr": 0.4606217616580311,
+      "true_positives": 1041,
+      "true_negatives": 13487,
+      "false_positives": 1883,
+      "false_negatives": 889,
+      "brier_score": 0.101020168746024
     },
     "train_size": 69201,
     "holdout_size": 17300,
-    "oob_score": 0.8787589774714238
+    "oob_score": 0.8369532232193176
   },
   {
     "fold": 3,
     "metrics": {
-      "roc_auc": 0.662926534093399,
-      "pr_auc": 0.20304192375047408,
-      "precision": 0.3180722891566265,
-      "recall": 0.06839378238341969,
-      "f1": 0.11257995735607675,
-      "accuracy": 0.8797109826589595,
-      "balanced_accuracy": 0.5249906452580729,
-      "sensitivity": 0.06839378238341969,
-      "specificity": 0.9815875081327261,
-      "ppv": 0.3180722891566265,
-      "npv": 0.8935149541012734,
-      "fpr": 0.01841249186727391,
-      "fnr": 0.9316062176165804,
-      "true_positives": 132,
-      "true_negatives": 15087,
-      "false_positives": 283,
-      "false_negatives": 1798,
-      "brier_score": 0.1261843160842467
+      "roc_auc": 0.8250132651926065,
+      "pr_auc": 0.34356251963049117,
+      "precision": 0.3474258438458916,
+      "recall": 0.5279792746113989,
+      "f1": 0.41908287065597366,
+      "accuracy": 0.8367052023121387,
+      "balanced_accuracy": 0.7017254863623033,
+      "sensitivity": 0.5279792746113989,
+      "specificity": 0.8754716981132076,
+      "ppv": 0.3474258438458916,
+      "npv": 0.9365907983573467,
+      "fpr": 0.12452830188679245,
+      "fnr": 0.472020725388601,
+      "true_positives": 1019,
+      "true_negatives": 13456,
+      "false_positives": 1914,
+      "false_negatives": 911,
+      "brier_score": 0.10307757393458322
     },
     "train_size": 69201,
     "holdout_size": 17300,
-    "oob_score": 0.8786867241802864
+    "oob_score": 0.8376613054724643
   },
   {
     "fold": 4,
     "metrics": {
-      "roc_auc": 0.6579699549885183,
-      "pr_auc": 0.20540720115224798,
-      "precision": 0.3325301204819277,
-      "recall": 0.07146556188503367,
-      "f1": 0.11764705882352941,
-      "accuracy": 0.8803468208092485,
-      "balanced_accuracy": 0.526721134120993,
-      "sensitivity": 0.07146556188503367,
-      "specificity": 0.9819767063569523,
-      "ppv": 0.3325301204819277,
-      "npv": 0.8938110749185668,
-      "fpr": 0.018023293643047694,
-      "fnr": 0.9285344381149664,
-      "true_positives": 138,
-      "true_negatives": 15092,
-      "false_positives": 277,
-      "false_negatives": 1793,
-      "brier_score": 0.12695028668344
+      "roc_auc": 0.8218565225371279,
+      "pr_auc": 0.33404306226540276,
+      "precision": 0.33557724671827666,
+      "recall": 0.5163127912998446,
+      "f1": 0.4067727458180334,
+      "accuracy": 0.8319075144508671,
+      "balanced_accuracy": 0.6939362121636838,
+      "sensitivity": 0.5163127912998446,
+      "specificity": 0.8715596330275229,
+      "ppv": 0.33557724671827666,
+      "npv": 0.934817502966013,
+      "fpr": 0.12844036697247707,
+      "fnr": 0.48368720870015536,
+      "true_positives": 997,
+      "true_negatives": 13395,
+      "false_positives": 1974,
+      "false_negatives": 934,
+      "brier_score": 0.10409430077495117
     },
     "train_size": 69201,
     "holdout_size": 17300,
-    "oob_score": 0.8785277669397841
+    "oob_score": 0.837863614687649
   },
   {
     "fold": 5,
     "metrics": {
-      "roc_auc": 0.6595378747543724,
-      "pr_auc": 0.20663104851523204,
-      "precision": 0.3341121495327103,
-      "recall": 0.07405489383738996,
-      "f1": 0.1212378126324714,
-      "accuracy": 0.8801734104046243,
-      "balanced_accuracy": 0.5277555359290405,
-      "sensitivity": 0.07405489383738996,
-      "specificity": 0.981456178020691,
-      "ppv": 0.3341121495327103,
-      "npv": 0.8940256045519204,
-      "fpr": 0.018543821979308997,
-      "fnr": 0.92594510616261,
-      "true_positives": 143,
-      "true_negatives": 15084,
-      "false_positives": 285,
-      "false_negatives": 1788,
-      "brier_score": 0.12500848100761017
+      "roc_auc": 0.8348574320802005,
+      "pr_auc": 0.35767143591494466,
+      "precision": 0.3541369472182596,
+      "recall": 0.5142413257379596,
+      "f1": 0.41942977824709604,
+      "accuracy": 0.8410982658959537,
+      "balanced_accuracy": 0.6982033618084034,
+      "sensitivity": 0.5142413257379596,
+      "specificity": 0.8821653978788471,
+      "ppv": 0.3541369472182596,
+      "npv": 0.9352924944812362,
+      "fpr": 0.11783460212115297,
+      "fnr": 0.4857586742620404,
+      "true_positives": 993,
+      "true_negatives": 13558,
+      "false_positives": 1811,
+      "false_negatives": 938,
+      "brier_score": 0.10019440112303402
     },
     "train_size": 69201,
     "holdout_size": 17300,
-    "oob_score": 0.8780942471929596
+    "oob_score": 0.8406236904090981
   }
 ]

feature_importance.csv

@@ -1,121 +1,114 @@
 feature,importance
-num_lab_procedures,0.08689401898032947
-num_medications,0.07519161170635892
-number_inpatient,0.0693766784134439
-time_in_hospital,0.05620003854290621
-discharge_disposition_id,0.04840634910870078
-medical_specialty_target_encoded,0.040960110446939764
-number_diagnoses,0.03885554162315708
-num_procedures,0.03652803548453202
-age_target_encoded,0.02811133303022129
-age_bucket,0.02780459917454157
-payer_code_target_encoded,0.02615028627022954
-admission_type_id,0.02465409457333806
-admission_source_id,0.021926573682379172
-gender_Male,0.01838087608866072
-medical_specialty_is_missing,0.01585954611093381
-payer_code_is_missing,0.014524325828023483
-diag_2_circulatory,0.01442583597499754
-diag_3_circulatory,0.014172317263368225
-diag_3_other,0.014085100509614258
-diag_1_circulatory,0.013504388094342566
-diag_2_other,0.01321042724161875
-race_Caucasian,0.012986131539963587
-insulin_Steady,0.011766235449995232
-change_No,0.01167278499562571
-insulin_No,0.010827513841810193
-diag_1_other,0.010695703562611692
-diag_3_diabetes,0.010313066534048027
-age_senior,0.009883738970847347
-diag_1_respiratory,0.009083274111672299
-A1Cresult_is_missing,0.008942385538286168
-diabetesMed_Yes,0.008157070960649312
-diag_2_diabetes,0.008124110286370344
-diag_2_respiratory,0.007737109113210177
-metformin_No,0.007482427270634723
-metformin_Steady,0.0069851098390671445
-diag_1_digestive,0.006929772373055174
-glipizide_No,0.006923679682713339
-age_middle,0.006869984011704639
-insulin_Up,0.006860666897054326
-age_elderly,0.006819231568279447
-glipizide_Steady,0.0066200369704758075
-diag_2_genitourinary,0.006434817418337668
-glyburide_No,0.006113054853731821
-diag_1_diabetes,0.005929435383827464
-diag_3_respiratory,0.0058860829967103
-diag_1_injury,0.005435891793166688
-glyburide_Steady,0.005424444453205212
-diag_3_genitourinary,0.005084015834462753
-A1Cresult_8,0.005005059304608543
-diag_1_genitourinary,0.004444017500411864
-pioglitazone_No,0.004424378675617011
-pioglitazone_Steady,0.004374786894112715
-rosiglitazone_No,0.00400279674026178
-rosiglitazone_Steady,0.003974979379322436
-diag_1_musculoskeletal,0.0035635696472226574
-diag_2_digestive,0.003494634360370688
-diag_3_digestive,0.003456759009454533
-glimepiride_No,0.003416764206125708
-A1Cresult_Norm,0.0033884802337732596
-max_glu_serum_is_missing,0.0031290916454718475
-glimepiride_Steady,0.003104087430130343
-diag_1_neoplasms,0.0030046804217786697
-age_adult,0.002873020824634847
-diag_2_neoplasms,0.0026797029369186828
-weight_is_missing,0.0023880059483521623
-diag_2_injury,0.0019907089264771805
-diag_3_neoplasms,0.001881091811986317
-max_glu_serum_Norm,0.0017706896813621134
-diag_3_injury,0.0017249470011372178
-diag_3_musculoskeletal,0.001641346025940864
-race_Hispanic,0.0015303129340079988
-diag_2_musculoskeletal,0.0014025935357069646
-weight_75_100),0.0012393078852139276
-race_Other,0.0011669014815960897
-repaglinide_No,0.001162850694791137
-repaglinide_Steady,0.0010386463990040016
-max_glu_serum_300,0.0008949260281576891
-metformin_Up,0.0008118416081111854
-weight_50_75),0.0006412247813497534
-glyburide_Up,0.0006329789076965337
-glipizide_Up,0.0005584157868543356
-age_very_young,0.00047510239063120157
-glyburide_metformin_No,0.00045991554225461505
-glyburide_metformin_Steady,0.00044669676709482294
-nateglinide_Steady,0.00043209039947403647
-nateglinide_No,0.00043168065301045646
-race_Asian,0.000421712056584328
-weight_100_125),0.00042151166637479644
-glimepiride_Up,0.00019283119171959026
-acarbose_Steady,0.00017821745968777563
-acarbose_No,0.0001506755977129877
-pioglitazone_Up,0.00011808680650735085
-repaglinide_Up,5.724803362087786e-05
-rosiglitazone_Up,5.688507397723546e-05
-weight_125_150),4.933099047227132e-05
-chlorpropamide_No,2.5008690714667067e-05
-weight_25_50),2.3202702173128943e-05
-chlorpropamide_Steady,1.3899109899472108e-05
-weight_0_25),6.901223590616904e-06
-tolazamide_Steady,5.255797062739557e-06
-miglitol_No,3.120851088783191e-06
-miglitol_Steady,2.255682773631739e-06
-weight_150_175),2.1490613115585884e-06
-tolbutamide_Steady,1.743422556876162e-06
-acarbose_Up,4.84115926400817e-07
-nateglinide_Up,4.211358618695205e-07
-glyburide_metformin_Up,1.1052980314561865e-07
-tolazamide_Up,0.0
-troglitazone_Steady,0.0
-miglitol_Up,0.0
-number_emergency,0.0
-acetohexamide_Steady,0.0
-glipizide_metformin_Steady,0.0
-glimepiride_pioglitazone_Steady,0.0
-metformin_rosiglitazone_Steady,0.0
-metformin_pioglitazone_Steady,0.0
-gender_Unknown_Invalid,0.0
+number_inpatient_mean,0.1329191251757382
+number_inpatient_sum,0.12216349088744241
+number_inpatient_max,0.11277830997789617
+diag_1_target_encoded,0.042141192352778675
+diag_3_target_encoded,0.038852814802303494
+diag_2_target_encoded,0.03850987583684705
+num_lab_procedures,0.038389325979493356
+med_diagnosis_interaction,0.03519254022827208
+num_medications,0.03003705459523165
+time_in_hospital,0.024187301329904116
+care_utilization_risk_score,0.02349023922714431
+number_inpatient,0.02288068492437462
+discharge_disposition_id,0.022623874817431194
+total_visits,0.022510080851690806
+diag_1_cat_target_encoded,0.01985468953151941
+diag_3_cat_target_encoded,0.019201150326046537
+diag_2_cat_target_encoded,0.018520236181290936
+age_target_encoded,0.017479155337714245
+medical_specialty_target_encoded,0.017231954472519503
+num_procedures,0.015054755336894122
+number_diagnoses,0.015033072055876985
+admission_type_id,0.012900856487145075
+los_medication_interaction,0.010774089054896083
+payer_code_target_encoded,0.010663430151925857
+age_bucket,0.010648349619864342
+admission_source_id,0.010231495762580676
+payer_code_is_missing,0.009803940752798593
+unique_diagnosis_categories,0.009240149629109873
+gender_Male,0.007317343528558311
+medical_specialty_is_missing,0.007071141405126216
+race_Caucasian,0.0053192308739035575
+insulin_Steady,0.0052475952066824635
+insulin_No,0.0052143279026447996
+change_No,0.005075118450884063
+diabetesMed_Yes,0.004215943389993113
+medication_complexity_score,0.004181041818328842
+A1Cresult_is_missing,0.003934802588399781
+metformin_No,0.0037119200710726413
+weight_is_missing,0.003482899007776682
+metformin_Steady,0.003441737495069194
+glipizide_No,0.0032739841407760308
+glipizide_Steady,0.0030410354593309965
+insulin_Up,0.0026770276088027532
+glyburide_No,0.002648993688968285
+A1Cresult_8,0.0023121217288053983
+glyburide_Steady,0.0022846559080426806
+pioglitazone_No,0.0018926573561802139
+pioglitazone_Steady,0.0018542509601709508
+rosiglitazone_No,0.0017854149656313727
+rosiglitazone_Steady,0.0017737925756113695
+glimepiride_No,0.0015456521572620157
+glimepiride_Steady,0.0014345329601879032
+A1Cresult_Norm,0.0013854739377970582
+weight_75_100),0.0011192994361916974
+max_glu_serum_Norm,0.0009285297802807649
+race_is_missing,0.0008037370216883512
+repaglinide_No,0.0007358361988236335
+race_Hispanic,0.0006380430646520299
+repaglinide_Steady,0.0006257475677116866
+weight_50_75),0.0005555173838131999
+bmi_normal,0.0005041657892998647
+race_Other,0.0004869103652119539
+weight_100_125),0.00045533921000919626
+bmi_overweight,0.0004376975165968489
+max_glu_serum_300,0.0003995527481171434
+metformin_Up,0.00035547621392891757
+glyburide_Up,0.00034697673668152484
+race_Asian,0.00025468982608658873
+nateglinide_Steady,0.00023961338813127168
+glyburide_metformin_Steady,0.00023687002437319704
+glipizide_Up,0.00023491204827834155
+nateglinide_No,0.00022211069016711622
+glyburide_metformin_No,0.00020521853583423103
+acarbose_No,0.00015118745340052928
+acarbose_Steady,0.00012102165782380482
+pioglitazone_Up,0.00010103547365678268
+repaglinide_Up,9.139508390322629e-05
+glimepiride_Up,8.763236099559224e-05
+weight_125_150),6.147143587014703e-05
+rosiglitazone_Up,4.5484641050813676e-05
+weight_0_25),2.7299938937200895e-05
+weight_25_50),2.123102999099999e-05
+bmi_underweight,2.1182958181665777e-05
+bmi_obese,1.1752712447802424e-05
+weight_150_175),8.766386984555456e-06
+chlorpropamide_No,7.829065484680467e-06
+chlorpropamide_Steady,7.104606490312663e-06
+miglitol_No,3.83735381514065e-06
+miglitol_Steady,3.4498787388936278e-06
+tolbutamide_Steady,2.9456299962656145e-06
+acarbose_Up,2.3978060334252642e-06
+tolazamide_Steady,8.001075835421977e-07
 chlorpropamide_Up,0.0
+number_outpatient_mean,0.0
+number_outpatient_max,0.0
+number_outpatient_sum,0.0
+metformin_pioglitazone_Steady,0.0
+number_emergency,0.0
 number_outpatient,0.0
+number_emergency_mean,0.0
+gender_Unknown_Invalid,0.0
+troglitazone_Steady,0.0
+metformin_rosiglitazone_Steady,0.0
+glimepiride_pioglitazone_Steady,0.0
+glipizide_metformin_Steady,0.0
+glyburide_metformin_Up,0.0
+tolazamide_Up,0.0
+number_emergency_max,0.0
+miglitol_Up,0.0
 weight_175_200),0.0
+nateglinide_Up,0.0
+acetohexamide_Steady,0.0
+number_emergency_sum,0.0

random_forest_metrics.json

@@ -1,20 +1,20 @@
 {
-  "roc_auc": 0.672709783267607,
-  "pr_auc": 0.22000500189679045,
-  "precision": 0.3324742268041237,
-  "recall": 0.07570422535211267,
-  "f1": 0.12332695984703632,
-  "accuracy": 0.8798558794628234,
-  "balanced_accuracy": 0.5283026694196593,
-  "sensitivity": 0.07570422535211267,
-  "specificity": 0.980901113487206,
-  "ppv": 0.3324742268041237,
-  "npv": 0.8941318814277072,
-  "fpr": 0.019098886512794042,
-  "fnr": 0.9242957746478874,
-  "true_positives": 129,
-  "true_negatives": 13302,
-  "false_positives": 259,
-  "false_negatives": 1575,
-  "brier_score": 0.12529607458529643
+  "roc_auc": 0.8326208943556381,
+  "pr_auc": 0.36408932414480305,
+  "precision": 0.35404191616766467,
+  "recall": 0.5551643192488263,
+  "f1": 0.4323583180987203,
+  "accuracy": 0.8372748116606616,
+  "balanced_accuracy": 0.7139437848732886,
+  "sensitivity": 0.5551643192488263,
+  "specificity": 0.8727232504977509,
+  "ppv": 0.35404191616766467,
+  "npv": 0.9398078297466846,
+  "fpr": 0.1272767495022491,
+  "fnr": 0.4448356807511737,
+  "true_positives": 946,
+  "true_negatives": 11835,
+  "false_positives": 1726,
+  "false_negatives": 758,
+  "brier_score": 0.1018540864871197
 }

random_forest_model.joblib

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6b47d75603503cc4819b41cfcf59df66fdbd202703a569cbec6b14e286f963c7
-size 419746032
+oid sha256:87d6ebbb49f83293074856032e162917fc641f86e77f41e7fae7d17c376bb2d8
+size 303524336

training_summary.json

@@ -1,7 +1,7 @@
 {
   "model": "Random Forest Classifier",
   "task": "Hospital 30-Day Readmission Risk Prediction",
-  "timestamp": "2025-12-24 09:48:39",
+  "timestamp": "2025-12-15 19:30:35",
   "environment": "kaggle",
   "sklearn_version": "1.2.2",
   "device": "cpu",
@@ -15,51 +15,54 @@
     "total_samples": 101766,
     "development_size": 86501,
     "final_test_size": 15265,
-    "n_features": 120
+    "n_features": 113
   },
   "best_params": {
     "n_estimators": 500,
     "max_depth": null,
-    "min_samples_split": 2,
+    "min_samples_split": 10,
     "min_samples_leaf": 4,
     "max_features": "sqrt",
-    "class_weight": "balanced",
+    "class_weight": {
+      "0": 1,
+      "1": 8
+    },
     "bootstrap": true,
     "oob_score": true
   },
-  "oob_score": 0.8773887007086624,
+  "oob_score": 0.8367186506514376,
   "cross_validation": {
-    "mean_roc_auc": 0.6628969788182871,
-    "std_roc_auc": 0.00427807929859229,
+    "mean_roc_auc": 0.8295471326134282,
+    "std_roc_auc": 0.005783488154928484,
     "fold_scores": [
-      0.6656906609181362,
-      0.6683598693370101,
-      0.662926534093399,
-      0.6579699549885183,
-      0.6595378747543724
+      0.8320064003838342,
+      0.8340020428733721,
+      0.8250132651926065,
+      0.8218565225371279,
+      0.8348574320802005
     ],
     "n_folds": 5
   },
   "final_test_metrics": {
-    "roc_auc": 0.672709783267607,
-    "pr_auc": 0.22000500189679045,
-    "precision": 0.3324742268041237,
-    "recall": 0.07570422535211267,
-    "f1": 0.12332695984703632,
-    "accuracy": 0.8798558794628234,
-    "balanced_accuracy": 0.5283026694196593,
-    "sensitivity": 0.07570422535211267,
-    "specificity": 0.980901113487206,
-    "ppv": 0.3324742268041237,
-    "npv": 0.8941318814277072,
-    "fpr": 0.019098886512794042,
-    "fnr": 0.9242957746478874,
-    "true_positives": 129,
-    "true_negatives": 13302,
-    "false_positives": 259,
-    "false_negatives": 1575,
-    "brier_score": 0.12529607458529643
+    "roc_auc": 0.8326208943556381,
+    "pr_auc": 0.36408932414480305,
+    "precision": 0.35404191616766467,
+    "recall": 0.5551643192488263,
+    "f1": 0.4323583180987203,
+    "accuracy": 0.8372748116606616,
+    "balanced_accuracy": 0.7139437848732886,
+    "sensitivity": 0.5551643192488263,
+    "specificity": 0.8727232504977509,
+    "ppv": 0.35404191616766467,
+    "npv": 0.9398078297466846,
+    "fpr": 0.1272767495022491,
+    "fnr": 0.4448356807511737,
+    "true_positives": 946,
+    "true_negatives": 11835,
+    "false_positives": 1726,
+    "false_negatives": 758,
+    "brier_score": 0.1018540864871197
   },
-  "hyperparameter_search_time_seconds": 15588.310503721237,
-  "total_time_seconds": 16861.44106388092
+  "hyperparameter_search_time_seconds": 19142.03841161728,
+  "total_time_seconds": 20619.085399627686
 }