Hello! I'm William Gyesi, and I'm passionate about uncovering insights from data to drive informed decisions. I have a strong foundation in data cleaning, exploratory analysis, and visualization, and I love turning raw data into compelling stories.
I have experience working with various datasets and a knack for identifying trends and patterns. My goal is to use my analytical skills to solve complex problems and contribute to meaningful outcomes.
An analysis of a telecom dataset to predict customer churn. Utilized Python for data cleaning and a machine learning model to identify key factors contributing to churn.
Live Dashboard GitHubDeveloped an interactive dashboard using Tableau/Power BI to track key sales metrics. The dashboard provides insights into regional performance and product trends.
Live Dashboard GitHubExploratory data analysis on an e-commerce dataset. Used SQL for data querying and Python for visualization to identify top-selling products and customer segments.
Live Report GitHubA deep dive into the initial, crucial steps of any data analysis project and best practices for ensuring data integrity.
Read ArticleA case study demonstrating how to use Tableau to create a dynamic and insightful sales dashboard for business stakeholders.
Read ArticleExplore the power of Python's Pandas library for performing exploratory data analysis on a real-world dataset.
Read Article