In order to perform honest assessment on a predictive model, what is an acceptable division between training, validation, and testing data?

In order to perform honest assessment on a predictive model, what is an acceptable division between training, validation, and testing data?
A . Training: 50% Validation: 0% Testing: 50%
B . Training: 100% Validation: 0% Testing: 0%
C . Training: 0% Validation: 100% Testing: 0%
D . Training: 50% Validation: 50% Testing: 0%

View Answer

Answer: D