Erika Polakovičová

A comprehensive analysis of the Sample Superstore dataset including data cleaning, KPI calculation, exploratory data analysis, and visualizations. Key insights identify Technology products and the West region as top performers, reveal seasonal sales trends, and highlight opportunities to optimize discounts, product mix, and marketing strategies to increase profitability. Tools used: R, dplyr, ggplot2, lubridate, ggcorrplot.