Practical Data Science using Python - Linear Regression - Cost Functions and Gradient Descent

The video tutorial explains the concept of R-squared value in linear regression, highlighting its role in determining model predictability. It discusses error minimization techniques, focusing on cost functions like MSE. The tutorial delves into the gradient descent optimization process, explaining how it adjusts model parameters to minimize error. Finally, it covers the importance of learning rate in gradient descent, emphasizing the need for balance to ensure efficient training without missing the optimal solution.

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