Portfolio

A collection of projects in data science, business analytics, machine learning, and management that showcase problem-solving, analytical thinking, and data-driven decision making.

  • All
  • Data Analysis
  • Machine Learning
  • Dashboard
  • Business
Employee Turnover

Employee Turnover Data System

Developed a Python-based employee turnover management system with CRUD operations, data validation, and turnover analysis reporting.

Turnover Analysis System Development
SaaS Sales

SaaS Sales Discount Impact Analysis

Conducted sales data analysis using Python, SQL, and statistical testing to evaluate discount strategy impacts.

EDA Statistical Testing
RFM Analysis

Customer Segmentation Analysis

Performed customer segmentation using RFM analysis and behavioral profiling to identify customer patterns.

Customer Analytics Marketing Insights
Twitter Sentiment

Twitter/X Sentiment Analysis

Scraped and analyzed Twitter/X data using NLP techniques to identify public sentiment and trending topics.

NLP Sentiment Analysis
Stock Forecasting

IDX Stock Forecasting Analysis

Built a stock forecasting system using SARIMA, Prophet, and ensemble learning for time series prediction.

Time Series SARIMA & Prophet
Recommendation System

Music Recommendation System

Built a hybrid recommendation system using Collaborative Filtering and Content-Based Filtering.

Recommendation System Machine Learning
Travel Insurance

Travel Insurance Claim Prediction

Developed a machine learning classification model using XGBoost and LightGBM for insurance claim prediction.

Classification XGBoost & LightGBM