Statistics, Regression, Data Science, Machine Learning, AI.
variable, and use the Root Mean Squared Error to evaluate performance. The RMSE is given by the following formula: Where: Yᵢ is the true value for Y in the iᵗʰ sample. Ŷᵢ is the predicted value for Y in the iᵗʰ sample. The RMSE is simply the square root of the average of the squared differences