What Really is R2-Score in Linear Regression?

One of the most important metrics for evaluating a continuous target regression model

Figure shows how R2 Score determines goodness of fit. Image by author.

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Physicist, Data Science Educator, Writer. Interests: Data Science, Machine Learning, AI, Python & R, Personal Finance Analytics, Materials Sciences, Biophysics

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Benjamin Obi Tayo Ph.D.

Physicist, Data Science Educator, Writer. Interests: Data Science, Machine Learning, AI, Python & R, Personal Finance Analytics, Materials Sciences, Biophysics