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Model selection is the process of comparing several models and their respective results to choose the model is best according to some evaluation metric.

2 votes
1 answer
239 views

Difference between coefficient of determination and least squared error?

Where and when should I consider R^2 as a measure of goodness-of-fit for regressions? Usually I choose the least squared model as the best model. Is it possible that the least squared model does not h …