Which of the following data sets provides the most realistic estimate of the performance of a model on completely unseen data?
A) validation data set
B) test data set
C) training data set
D) linear regression data set

Question

Quizplus · Accepted Answer

The test data set provides the most realistic estimate of the performance of a model on completely unseen data because it is a subset of the data that was not used for training or model selection. Therefore, it represents how the model will perform on new, unseen data, providing a more honest evaluation of the model's efficacy.

Which of the Following Data Sets Provides the Most Realistic