Learn By Example 308 | How to setup Early Stopping in a Deep Learning Model in Keras?

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How to setup Early Stopping in a Deep Learning Model in Keras?

 

Early stopping is a technique that can be used to improve the performance of a deep learning model. The idea is to stop the training process before the model reaches the end of its training cycle, if the model’s performance on a validation dataset stops improving.

In Keras, setting up early stopping involves a few steps.

First, you will need to specify a metric that will be used to evaluate the model’s performance on the validation dataset. This could be, for example, the accuracy of the model’s predictions.

Next, you will need to specify a “patience” value. This value determines the number of epochs (iterations) the model will be trained for before the early stopping mechanism is triggered. For example, if the patience value is set to 3, the model will be trained for a maximum of 3 epochs after the validation metric stops improving.

Then, you will need to create an instance of the “EarlyStopping” callback in Keras. This callback is responsible for monitoring the model’s performance on the validation dataset, and for stopping the training process when the validation metric stops improving.

After that, you will need to pass the “EarlyStopping” callback to the model’s “fit” function, along with the training data, validation data, and the number of epochs.

Finally, you can train the model as you normally would. The “EarlyStopping” callback will be monitoring the model’s performance on the validation dataset, and will stop the training process if the validation metric stops improving.

It is important to note that the early stopping technique can be especially useful when working with deep learning models, as they tend to be more prone to overfitting. Overfitting is a phenomenon where a model performs well on the training dataset but poorly on unseen data. This is a general description of how to setup early stopping in a deep learning model in Keras, and is not an exhaustive guide.

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