Machine Learning, Artificial Intelligence, Python, Statistics, Mathematics.
pred_four_data['$y(x)$']=pred_four Prediction using polynomial regression with degree=3 Mh, it looks slightly better. If we want to know if our predictor is doing a good or bad job we can use the following error estimator: Mean Squared Error (MSE): Where: 𝑛 is the extension of our dataset 𝑡_ 𝑖 is