If your boss wants to figure out how much variance your regression equation should account for in a new sample, which statistic should you report to her?

Question

Quizplus · Accepted Answer

Cross-validated R² is the appropriate statistic for estimating how much variance your regression equation is expected to account for in a new sample, as it provides a more accurate estimate of the model's predictive power on unseen data.

If Your Boss Wants to Figure Out How Much Variance