Which feature is MOST suspicious for target leakage in churn predic…

Question

Which feature is MOST suspicious for target leakage in churn prediction?

Accepted Answer

A field updated only after churn is confirmed (e.g., post-churn win-back flag) — Post-churn flags are leakage landmines — tenure and prior tickets can be legit.

Answer

Customer tenure in months at prediction time

Answer

Number of support tickets in the prior 30 days

Answer

Plan type at the decision timestamp

Which feature is MOST suspicious for target leakage in churn prediction?

Short Explanation and Infographic

Full Explanation