Data Science Prerequisites - Numpy, Matplotlib, and Pandas in Python - What Is Regression?

The video tutorial introduces regression in supervised machine learning, contrasting it with classification. Regression is explained as predicting a number, often visualized as a line or curve through data points. Examples include predicting weight from height and house prices. The tutorial covers data representation, model training, and evaluation using metrics like R-squared, emphasizing the importance of understanding model performance.

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