The Fundamental to Advanced Data Info: A Practical Journey from Basics to Mastery in Excel, Python, SQL, Power BI & AI Tools

Unlock the world of data with a step-by-step practical guide designed for beginners, students, and professionals who want to move from the basics to mastery.

This book takes you on a complete journey—from learning simple Excel formulas to building machine learning models in Python. Each chapter includes real-life examples, hands-on exercises, and tool-based explanations that make learning engaging and practical.

What You’ll Learn:

📊 Excel for Data Analysis – Quick calculations, descriptive statistics, dashboards

🐍 Python for Data Science – Pandas, NumPy, Matplotlib, Seaborn, Scikit-learn

📈 Statistics & Math for Data – Probability, hypothesis testing, linear algebra, calculus

⚙️ Optimization & Algorithms – Linear programming, gradient descent, sorting, searching

💾 SQL for Databases – Queries, joins, aggregations, window functions

🎨 Data Visualization – Excel, Python, Power BI, advanced charts, dashboards

🤖 AI Tools for Data Work – ChatGPT, Claude, and Colab for coding and analysis help

🚀 Machine Learning Foundations – Regression, classification, model evaluation, tuning

Each concept is explained in plain language, followed by step-by-step instructions and working code snippets so that you can immediately apply what you learn.

Whether you are a student preparing for data science, a professional improving your analytics skills, or a beginner curious about data, this book will give you the clarity and confidence to work with real-world datasets.