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Credit Analytics

Statistical Credit Scoring Model

ClientDigital Lending Platform
IndustryFintech
Duration4 months
Team3 engineers
45%
Lower Defaults
Reduction in default rate from 8% to 4.4%
30%
More Approvals
Expanded creditworthy approvals safely
95%
Model Accuracy
AUC-ROC score on validation data

The Challenge

A digital lender was using basic rule-based underwriting, resulting in high default rates (8%) and missed opportunities on creditworthy applicants who lacked traditional credit history.

Our Solution

Built a statistical credit scoring model using logistic regression with feature engineering, incorporating alternative data signals. Applied Bayesian updating for dynamic risk assessment and developed model validation framework.

Our Approach

1

Analyzed historical loan performance data to identify predictive features

2

Developed logistic regression model with regularization for credit scoring

3

Incorporated alternative data signals (transaction patterns, device data)

4

Built model validation framework with KS statistics and Gini coefficient

5

Implemented Bayesian updating for dynamic risk adjustment

Technology Stack

PythonScikit-learnStatsmodelsPostgreSQLMLflow

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