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Applied Machine Learning Algorithms / Module 9

Module 9 check

Module 9 Assessment: Special Problem Settings Check

Estimated active time: 30-45 minutes

Question 1

Report minority-class recall, not just accuracy. What does the gap show?

Pass answer: gives both and explains why accuracy is dominated by the majority class.

Question 2

How much does algorithm ranking move between full, half and quarter data?

Pass answer: reports the ranking at each size across several seeds.

Question 3

If the ranking changes with sample size, what does that say about your earlier conclusion?

Pass answer: recognises the original ranking was not a stable finding.

Question 4

What would you need before trusting a result on this much data?

Pass answer: names repeated seeds, confidence intervals, or more data — specifically.