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Overfitting vs underfitting
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732.
Signals of Underfitting
easy
Which of the following is a reliable signal of underfitting during model development?
A
High training error that does not decrease with additional training iterations
B
Low training error combined with high variance across different cross-validation folds
C
Large gap between training and validation loss curves throughout training
D
High test error combined with low training error after many training epochs
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