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Graph Keras training history object

Project description

Keras History Graph

Uses matplotlib to generate a simple graph of the history object. Particularly useful with Jupyter

It will show the accuracy and loss for both training data and validation data. It will also print the maximum validation accuracy reached during the training.

Example output

Installation

pip install keras-hist-graph

Usage

Requires Keras

from keras_hist_graph import plot_history

history = model.fit(x, y, ...)

plot_history(history)

Arguments

plot_history now accepts any of these arguments (in any order)

argument default possible details
fig_size (10, 6) (float, float) Indicates width and height of the resulting graph
min_accuracy 0.5 [0, 1) Minimum accuracy to graph (often we don't care if acuracy is below 50%)
smooth_factor 0.75 [0, 1] Zero to one, inclusive. Smooths out the curves by averaging previous points. Consider makeing smaller if number of epochs is small.
start_epoch 5 integer >= 0 Plot the history starting at this epoch. Useful since the first epochs can have very high loss that makes the later loss hard to analyze visually
xkcd True True False Whether to render in the XKCD style. You might need to render twice for all properties to update if you change the boolean after using the method before

Example:

plot_history(history, fig_size = (11, 8.5), min_accuracy = 0.8, start_epoch = 2, smooth_factor = 0.1)

Notes

Why use the XKCD style?

It’s a great way to communicate the imprecision of the underlying data!

Project details


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