6.7 Eval. Metric 6: R squared Score


R Squared Score

The score tends to be one of the most popular evaluation metric, and is often used in a lot of contexts. Unlike most of the other metrics, the score gets close to 1 when the model is very good instead of 0.
Again, no need to memorize this formula, there's a sklearn function for it - that should be the motto for this course.

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