Model Capacity

Examine another concept in fine-tuning Keras’ model called model capacity.

What is the model’s capacity?

Model capacity is the model’s ability to capture the patterns in the data. The model’s capacity is directly related to the terms “overfitting” and “underfitting”.

How to increase model capacity?

The model’s capacity can be increased by increasing model complexity, i.e., adding the number of nodes in the hidden layer or adding hidden layers.

Workflow for increasing model capacity

  1. Start with a simple network.
  2. Continue adding capacity until the validation score begins improving.

Here is an example to visualize this process:

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