Lija Ang

DATA ANALYST

Lija Ang

Turning data into insights.

Tools & Technologies

SQL (PostgreSQL)
Python (Pandas, NumPy, Scikit-learn)
Excel
Tableau
Cloud fundamentals (AWS, Huawei Cloud)

Projects

Python · Scikit-learn

Customer Churn Prediction

Built a classification model to predict churn for a telecom dataset. Achieved 87% accuracy using a Random Forest with hyperparameter tuning via GridSearchCV.

SQL · Tableau

Sales Performance Dashboard

Queried a PostgreSQL database to surface KPIs across regions and time periods, then visualised trends in an interactive Tableau dashboard for stakeholder reporting.

Python · Pandas · NumPy

EDA: Global Cost of Living

Cleaned and explored a multi-country dataset to uncover patterns in housing, food, and transport costs. Produced visual summaries with Matplotlib and Seaborn.

Get in Touch

Open to new roles and conversations.