SEP 9, 2026 · PREPRINT
Quantum Feature Engineering for Credit Default Prediction: When and Why IQP Circuits Help Linear Classifiers
arXiv
A single-centre computational study on a tabular dataset using a quantum-classical hybrid approach with modest effect sizes and surrogate endpoints (F1 score), not yet peer reviewed, addressing proof-of-concept rather than clinical validation.
Reported
F1 score, Logistic Regression + I…0.517
F1 score, Logistic Regression bas…0.462
Absolute F1 improvement, IQP over…+0.055