Machine Learning and Data Mining Lecture Notes
it works on future test data. When a model fits training data well, but performs poorly on test data, we say that the model has overfit the training data; i.e., the model has fit properties of the input that are not particularly relevant to the task at hand (e.g., Figures 1 (top row and bottom left)). Such properties are refered to as noise.
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Computer Graphics Lecture Notes - University of …
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