# BERT Once-Class Fine-Tuning

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**Category:** Beginners\
**Created:** [July 25, 2022, 3:11pm UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fbert-once-class-fine-tuning%2F20845 "2022-07-25T15:11:13Z")\
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**Author:** ![hanshupe](https://avatars.discourse-cdn.com/v4/letter/h/f475e1/32.png) [@hanshupe](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Fu%2Fhanshupe)%5C
**Post date:** [July 25, 2022, 3:11pm UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fbert-once-class-fine-tuning%2F20845%2F1 "2022-07-25T15:11:13Z")

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Is it possible to fine-tune BERT on a single class in order to perform anomaly detection?