Vishnu Venugopal

Portfolio

Research Analyst | Data Scientist | Wipro
A Google-certified Data Scientist specializing in ETL, EDA, predictive modeling, machine learning, data visualization and more..

April 13, 2025

Predicting Customer Purchase Behavior

End-to-End ML Project

A complete machine learning case study using real-world customer behavioral data. Covers ETL, EDA,feature engineering, model training, hyperparameter tuning (GridSearchCV),and performance evaluation...

Customer Purchase Prediction Project

Developed a machine learning model to predict customer purchase behavior using a Random Forest classifier, achieving a 91% F1 score. Performed end-to-end ETL, exploratory data analysis, and categorical feature encoding on structured behavioral data. Applied GridSearchCV for hyperparameter tuning to generate actionable insights for targeting high-intent customers.

April 10, 2025

Employee Attrition Prediction

Google Analytics CAPSTONE Project

Built, tuned, and evaluated multiple classification models (Logistic Regression, Random Forest) with hyperparameter optimization using GridSearchCV; translated outputs into HR strategy recommendations...

Employee Attrition Prediction Project

Developed a machine learning model to help HR teams identify employees likely to leave, using Random Forest with 96% recall. Conducted exploratory data analysis, feature engineering, and model tuning to generate actionable retention insights from a dataset of 14,999 employees.

March 28, 2025

Customer Churn Prediction

Google Analytics Case Study

Analyzed behavioral signals, engineered features, and used logistic regression, random forest, and XGBoost to identify at-risk users and recommend data-driven retention strategies...

Customer Churn Prediction Project

Built and evaluated churn prediction models using behavioral data from Waze users. Improved recall from 7% to 38% using XGBoost and delivered strategic recommendations focused on early user engagement.

November 2, 2024

Bellabeat Case Study

Google Analytics CAPSTONE

This project outlines the structured approach used in my Bellabeat Case Study (a Capstone project as a part of my Google Data Analytics: Proffesional Certificate), following phases: Ask, Prepare, Process, Analyze, Share, and Act.

Bellabeat Case Study Project