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Featured Projects


My First Data Analysis Project: Analyzing Tech Stock Performance
As an aspiring data analyst, I recently completed my first real-world project: analyzing the performance of 5 major tech stocks , 🎯 THE CHALLENGE As tech stocks dominated headlines in 2024, I wanted to answer: "Which tech giants actually deliver the best risk-adjusted returns?" Beyond just looking at price gains, I needed to understand volatility, correlation, and true investment value. 💡 THE APPROACH I analyzed one year of daily stock data for AAPL, MSFT, GOOGL, AMZN, and

Sofia Herrmann
Dec 3, 20251 min read
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Sephora Beauty Product Analysis
Analyzed pricing and rating patterns across 40+ beauty products to identify consumer preferences and pricing sweet spots. Key Results: Discovered mid-range products ($20-40) achieve ratings comparable to luxury items 🎯 THE CHALLENGE Beauty brands often charge premium prices claiming superior quality. But do expensive products actually perform better? I set out to answer: "What's the real relationship between price and quality in the beauty industry?" 💡 THE APPROACH I analyz

Sofia Herrmann
Dec 3, 20251 min read
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EuroJackpot Analyzer & Predictor 2026
Statistical analysis tool for lottery number patterns using historical data analysis, frequency tracking, and multiple prediction algorithms. Key Features: - Web scraping for data collection - 5 prediction methodologies - Interactive React dashboard - Frequency and pattern analysis 🎯 THE CHALLENGE This project started with curiosity and with inpiration of my father: "Can data science find patterns in randomness?" While lottery outcomes are statistically random, I wanted to

Sofia Herrmann
Dec 3, 20252 min read
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