Homework 3: The Model

https://github.com/DataTalksC…
Deadline: 12 October 2026 (Mon), 22:59
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Questions

1. What is the ABSOLUTE CORRELATION VALUE of the most correlated dummy variable _w<week_of_month> with the binary outcome is_positive_growth_30d_future (2 points)

2. What is the precision score for the best of the NEW predictions (pred3 or pred4), rounded to 3 digits after the comma? (3 points)

3. What is the total number of records in the TEST dataset where the new prediction pred5_clf_10 is correct, while all 'hand' rule predictions (pred0 to pred4) are incorrect? (3 points)

4. What is the optimal tree depth (from 1 to 20) for a DecisionTreeClassifier? (2 points)

5. [EXPLORATORY] Question 5: What data is missing? (1 point)