Product Intelligence Analyst

• Mar 2022 - Present

VP, Consumer Behavior Modeler II

• Jun 2014 - Mar 2022

• Develop business models for Approve/Not decisions on card applications with machine learning techniques. • Track and monitor model performance in terms of score distribution, rank ordering and predictive accuracy. • Execute existing model on any of the three major credit bureaus’ attributes to find out the one that can improve metrics best. • Diagnose and fix the input variable transformation issue on production platform. • Size the impact of an input attribute definition change on scores and adverse action reason codes. • Interact with stakeholders to provide ad-hoc data analyses and a better understanding of the model. • Create model development documents that contain data source, model framework, estimation process, model usages, outputs performance, benchmark comparison, model implementation and management. Show less

Statistical Intern

• Jun 2013 - May 2014

-Worked closely with DuPont statistical consultants on multiple efficacy testing projects • Collaborated with DuPont biologists on global field data analysis. • Analyzed cross-field data with linear and generalized linear mixed model. • Tested the impact of multiple factors on corn growth using split-plot design and A/B testing. • Provided complex visualizations to interpret analysis results. • Presented statistical hypothesis and results to clients with PowerPoint. -Performed extensive SAS programming • Designed an autonomous statistical analysis process by developing a data pipeline with SAS that can generate the visualization of testing results. • Detected wrong and missing data with Excel Pivot Table. • Extracted datasets that are used for analysis with SQL. • Applied mixed or GLM procedure for models with random effects. • Implemented logistic regression model with GLMMIX procedure. • Created visualizations using SAS procedures, such as TEMPLATE, SGRENDER, SGPANEL, SGPLOT. • Optimized yearly analysis and develop new tools for projects with SAS Macro Programming. • Generated customized tables and reports with TABULATE, REPORT, SUMMARY or MEANS procedure. • Maintained documents of design process for future reference. Show less

Teaching Assistant

• Aug 2012 - May 2013

Tutored students, set up quizzes and graded exams for undergraduate and graduate Statistics courses. Tutored students, set up quizzes and graded exams for undergraduate and graduate Statistics courses.