

You trained a model and are reviewing how it performs on training and validation data. The team wants to know whether the model is too simple, too complex, or about right before spending more time tuning it.
How would you identify whether a model is underfitting or overfitting?
You trained a model and are reviewing how it performs on training and validation data. The team wants to know whether the model is too simple, too complex, or about right before spending more time tuning it.
How would you identify whether a model is underfitting or overfitting?