Quiz 4: Advanced Regression Concepts

Test your knowledge on Logistic Regression, Regularization, and Over/Underfitting concepts.

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1. What is the primary use of Logistic Regression?

Predicting continuous values

Binary classification

Clustering data points

Reducing dimensionality

2. Which function does Logistic Regression use to map inputs to probabilities?

Linear function

Sigmoid function

Hyperbolic tangent

ReLU function

3. What is the typical threshold for classification in Logistic Regression?

0.25

0.5

0.75

1.0

4. What does regularization aim to prevent in machine learning models?

Underfitting

Overfitting

Increasing variance

Reducing model complexity

5. Which regularization technique drives some weights to exactly zero?

L1 Regularization (Lasso)

L2 Regularization (Ridge)

ElasticNet

Dropout

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