save and load keras.callbacks.History

Question

I\'m training a deep neural net using Keras and looking for a way to save and later load the history object which is of keras.callbacks.History type. Here\'s the se

Answer 1

You can use Pandas to save the history object as a CSV file.

import pandas as pd

pd.DataFrame.from_dict(history_model_1.history).to_csv('history.csv',index=False)

The JSON approach results in a TypeError: Object of type 'float32' is not JSON serializable. The reason for this is that the corresponding values in the history dictionary are NumPy arrays.