Homework 2: Machine Learning for Regression

Deadline: 5 October 2026 (Mon), 23:00

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Questions

Answer the questions below to complete your homework.

1. Missing values (1 point)

engine_displacement

horsepower

vehicle_weight

model_year

2. Median for horsepower (1 point)

204

254

304

354

3. Filling NAs (1 point)

With 0

With mean

Both are equally good

4. Best regularization (1 point)

0.01

0.1

100

5. RMSE standard deviation (1 point)

0.006

0.016

0.029

0.036

6. Evaluation on test (1 point)

0.236

2.236

22.10

221.0