Practice The Sigmoid Function (the Probability Squeezer) (5.2.1) - Supervised Learning - Classification Fundamentals (Weeks 5)
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The Sigmoid Function (The Probability Squeezer)

Practice - The Sigmoid Function (The Probability Squeezer)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the output range of the Sigmoid function?

💡 Hint: Think of probabilities.

Question 2 Easy

What is the formula of the Sigmoid function?

💡 Hint: It involves exponential terms.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the output of σ(0)?

0
0.5
1

💡 Hint: Think of the threshold for decision boundaries.

Question 2

True or False: The Sigmoid function can output values below 0.

True
False

💡 Hint: Recall the definition of the Sigmoid function.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If you have a dataset where the predicted z values range from -5 to 5, calculate the Sigmoid outputs for both extremes and discuss their significance.

💡 Hint: Use the Sigmoid formula for your calculations.

Challenge 2 Hard

Discuss how the choice of decision boundary affects model performance in logistic regression.

💡 Hint: Consider the trade-offs involved.

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Reference links

Supplementary resources to enhance your learning experience.