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

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

Assessment

Interactive Video

Mathematics

10th - 12th Grade

Hard

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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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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the model parameters are initialized in the learning algorithm.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the importance of the learning rate in the gradient descent algorithm.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the potential consequences of having a high learning rate in gradient descent?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens if the learning rate is set too low during training?

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