Illustration of the underfitting/overfitting issue on a simple

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Download scientific diagram | Illustration of the underfitting/overfitting issue on a simple regression case. Data points are shown as blue dots and model fits as red lines. Underfitting occurs with a linear model (left panel), a good fit with a polynomial of degree 4 (center panel), and overfitting with polynomial of degree 20 (right panel). Root mean squared error is chosen as objective function for evaluating the training error and the generalization error, assessed by using 10-fold cross-validation. from publication: An Introduction to Machine Learning | In the last few years, machine learning (ML) and artificial intelligence have seen a new wave of publicity fueled by the huge and ever‐increasing amount of data and computational power as well as the discovery of improved learning algorithms. However, the idea of a computer | Machine Learning, Clinical Pharmacology and Pharmacometrics | ResearchGate, the professional network for scientists.