Άσκηση 4 Μάθημα: Επιχειρηματική Αναλυτική

This R Markdown file analyzes an Online Retail Dataset (UK e-commerce, 2010-2011) with: - Descriptive stats (mean, variance) - Correlations (price vs. demand) - Visualizations (sales trends, top products) - Key insights on pricing, seasonality, and markets. Goal: Optimize pricing, inventory, and marketing strategies. (Author: Chris Giamakidis Kiosses | Date: 2025-04-02)