Podcast
Questions and Answers
What type of response variable does regression typically deal with?
What type of response variable does regression typically deal with?
- Ordinal
- Qualitative
- Quantitative (correct)
- Categorical
Which statistical learning method assesses the quality of fit using Mean Squared Error?
Which statistical learning method assesses the quality of fit using Mean Squared Error?
- Lasso
- Ridge
- Regression (correct)
- Classification
In the bias-variance tradeoff, what does variance measure?
In the bias-variance tradeoff, what does variance measure?
- Features considered in the model
- Average error in predicting a new observation
- Error introduced by approximating a real-life problem
- Sensitivity of the model to training data (correct)
Why is logistic regression preferred over linear regression with ordinary least squares (OLS) for classification predictions?
Why is logistic regression preferred over linear regression with ordinary least squares (OLS) for classification predictions?
What does the bias term represent in the bias-variance tradeoff?
What does the bias term represent in the bias-variance tradeoff?
What does the test error measure in statistical learning methods?
What does the test error measure in statistical learning methods?
What is the primary difference between classification and clustering?
What is the primary difference between classification and clustering?
What is the main goal of supervised learning?
What is the main goal of supervised learning?
What is a characteristic of non-parametric methods in estimation?
What is a characteristic of non-parametric methods in estimation?
Which type of statistical learning places emphasis on interpretability and precision?
Which type of statistical learning places emphasis on interpretability and precision?
How does unsupervised learning differ from supervised learning?
How does unsupervised learning differ from supervised learning?
What distinguishes descriptive statistics from inferential statistics?
What distinguishes descriptive statistics from inferential statistics?
