Meaning & use
Underfit
Last updated
Of a statistical or machine learning model: too simple to capture the underlying pattern in the data, resulting in poor performance.
See it in a sentence
The linear model was underfit and failed to capture the seasonal trend in sales.
Adding more features helped correct the underfit model.
A note on using this word
The direct counterpart to "overfit" in statistics and machine learning; an underfit model is too rigid, while an overfit one is too tailored to noise.
Words with an opposite meaning
overfit
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