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Joins and label windows without leakage — step 2 of 7
ch 36 · sql for ml datasets
2/7
promptdojo
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phase 08 · ai/ml engineering
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ch 36 · sql for ml datasets
lesson 2 of 4 · joins and label windows without leakage
step 2 of 7 in this lesson
Which feature leaks when predicting churn on day 10?
1
Clicks from days 1-9.
2
Refunds from days 11-17.
3
Signup country from day 0.
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ch 36 · sql for ml datasets
2/7
promptdojo
_
›
phase 08 · ai/ml engineering
›
ch 36 · sql for ml datasets
lesson 2 of 4 · joins and label windows without leakage
step 2 of 7 in this lesson
Which feature leaks when predicting churn on day 10?
1
Clicks from days 1-9.
2
Refunds from days 11-17.
3
Signup country from day 0.
check
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