Python NumPy, Pandas, Matplotlib, and Seaborn for Data Analysis, Data Science, and ML (Pre-Machine Learning Analysis)
Introduction Before diving into machine learning (ML), every data scientist must master data analysis and visualization . Think of it as preparing the soil before planting seeds—without clean, structured, and understood data, even the most powerful ML models will fail. In this guide, we’ll explore how NumPy, Pandas, Matplotlib, and Seaborn work together to make pre-machine learning analysis smooth, effective, and insightful. Why Pre-Machine Learning Analysis is Important Machine learning isn’t just about algorithms. Models only perform well if the data is accurate, structured, and meaningful . Pre-ML analysis helps to: Clean messy datasets Identify missing values Detect outliers Visualize patterns and relationships Transform raw data into model-ready formats The Python Data Analysis Ecosystem 1. NumPy: The Foundation of Numerical Computing NumPy is like the backbone of data science. It provides: ndarray (N-dimensional arrays) : Faster than Python lis...