return-analysis

An end-to-end data analysis and machine learning project to uncover patterns in customer returns using the Brazilian eCommerce dataset. Includes exploratory data analysis, feature engineering, customer segmentation, return prediction models, and Power BI dashboards.

Return rate analysis of 400 Olist e-commerce orders using Python, Excel & Power BI — IBM internship project

Time Series Analysis of ASML Stock Prices

Borsa ve Döviz Kuru Getiri Analizi: Zaman Serisi Modelleme ve Regresyon Tahmini

Quantitative financial analysis of Airbnb (ABNB) vs. S&P 500 (2021–2024) — modeling returns, volatility, beta, and a weekly price forecast using Excel and Power BI. Built for investor decision-making.

Interactive Power BI dashboard analyzing AdventureWorks sales, customer, product, territory, and return performance to uncover actionable business insights.

Third and final academic exercise presented on GitHub. The project focuses on analyzing a portfolio composed of IXN, QQQ, IEF, VNQ, and GLD ETFs. The study includes Return, Risk, and Performance evaluations, leading to the construction of an optimized portfolio by applying the Fama & French and the Efficient Frontier models.