Lock-chamber fill gallons are a numeric target. Someone reports F1 after splitting the gallons column at its median. Which metric fits the continuous target?
Select an answer to reveal the explanation.
Short Explanation
Lock-chamber gallons are a number, not a class. Score it with RMSE or another regression error. F1 after a median split fakes a class, Polly is not a regressor metric, and AUC ranks classes.
Full Explanation
A continuous target needs a regression error such as RMSE. F1 after a median split turns gallons into a fake class. Polly is not a regression metric, and AUC is a ranking metric for classifiers.