Data Science Handbook Table of Contents Introduction to Data Science What is Data Science? The Importance of Data Science in Today’s World Key Roles in Data Science The Data Science Process Understanding the Problem Data Collection and Preparation Exploratory Data Analysis (EDA) Modeling and Machine Learning Evaluation and Validation Deployment and Monitoring Essential Skills for Data Scientists Programming Languages Mathematics and Statistics Data Manipulation and Visualization Machine Learning Algorithms Communication and Storytelling Tools and Technologies Programming Languages: Python, R, SQL Data Manipulation: Pandas, NumPy Visualization: Matplotlib, Seaborn, Tableau, Power BI Machine Learning: Scikit-learn, TensorFlow, PyTorch Big Data: Spark, Hadoop Cloud Platforms: AWS, Google Cloud, Azure Data Collection and Preparation Data Sources: APIs, Databases, Web Scraping Data Cleaning: Handling Missing Values, Outliers, and Duplicates Feature Engineering: Encoding, Scaling, and ...