From Simple to Sophisticated: A Hands-On Journey with Nearest Neighbor Algorithms

Explore the nearest neighbor family of algorithms, starting from the basics and advancing to real-world applications in healthcare. Learn how to build a simple nearest neighbor classifier from scratch using Python, NumPy, and Matplotlib, and see its performance on an image classification task using a small dataset of cat and dog images. Understand the importance of data preprocessing steps like resizing images for computational efficiency and feature extraction.