LeakLens report

Generated by LeakLens · single self-contained HTML file

Trust score

50/100

rows 5000 cols 7 duplicate_rows 0 minority_rate 0.0726

Findings

severity	kind	column	detail
high	target_leakage	chargeback_flag	alone predicts target (roc_auc=1.000)
medium	id_like	txn_id	100.0% unique values; likely an identifier

Model arena

model	roc_auc	pr_auc	best_f1	f1	precision	recall
neural_net	0.8374	0.4219	0.4353	0.3077	0.7778	0.1918
linear	0.841	0.4215	0.4304	0.3357	0.2271	0.6438
tree_ensemble	0.8242	0.3562	0.4103	0.3148	0.4857	0.2329

What this report shows

This is a committed example of the file produced by leaklens demo.csv --target is_fraud --arena --html report.html. The arena ranks models after the leaky columns are dropped, so the honest numbers replace the inflated ones. Regenerate it yourself with the quickstart.