Which of the following is true of validation data?
A) It is used as a last check that the regression model is complete.
B) It is a portion of the data that is used to build a regression model.
C) It is the portion of the data used to assess the regression model developed from the training data.
D) It provides a final estimate of the regression model's performance after it has been trained and validated.

Question

Quizplus · Accepted Answer

Validation data is used to evaluate a model's performance during the tuning process, helping to fine-tune the model's parameters without using the test data. This allows for an unbiased assessment of the model's ability to generalize to new data.

Which of the Following Is True of Validation Data