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Dr. Carlos Ruiz Viquez
Dr. Carlos Ruiz Viquez

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⚠️ Overfitting to Specific Domains: A Hidden Pitfall of Fine

⚠️ Overfitting to Specific Domains: A Hidden Pitfall of Fine-Tuning LLMs

When fine-tuning Large Language Models (LLMs), it's easy to inadvertently overfit to specific domains, causing the model to perform poorly on unseen data. This occurs when the fine-tuning dataset is too narrow or biased, making the model overly reliant on the specific characteristics of that dataset.

Overfitting to specific domains can manifest in various ways, such as:

  1. Domain-specific jargon: The model learns to recognize and generate domain-specific terminology, which may not be applicable in other domains.
  2. Narrow context understanding: The model becomes overly focused on the specific context of the fine-tuning dataset, failing to generalize to new, unseen contexts.
  3. Loss of broader knowledge: The model's ability to draw from its vast pre-trained knowledge is diminished, as it becomes overly reliant on the fine-tuning data.

To mitigate overfitting to specific domains, consider the foll...


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