The bias-variance tradeoff describes the tension between models that are too rigid (high bias) and models that are too sensitive to sample noise (high variance).
AI Glossary
Bias-Variance Tradeoff
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The bias-variance tradeoff describes the tension between models that are too rigid (high bias) and models that are too sensitive to sample noise (high variance).
Definition
Plain English explanation
Make a model too simple and it misses the truth; make it too flexible and it chases noise.
Related glossary terms
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Sources
- NIST AI Risk Management Framework — risk vocabulary context for AI systems
- Brel Digital company and technology profiles — applied usage evidence where tagged
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