In a scenario where your model is consistently achieving mediocre performance on both training and validation data, what might be the underlying problem, and what would be your approach to fix it?
- Increase complexity
- Overfitting, reduce complexity
- Reduce complexity
- Underfitting, add complexity
The underlying problem might be underfitting, where the model is too simple to capture the underlying patterns. Increasing the model's complexity would likely improve performance on both training and validation data.
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