Errata

Hands-On Unsupervised Learning Using Python

Errata for Hands-On Unsupervised Learning Using Python

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Color Key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update

Version Location Description Submitted by Date submitted
ePub Page Page 196
08_autoencoders.ipynb

When executing 08_autoencoders.ipynb, an error was found. How to solve it?

# Evaluate on test set
predictions = model.predict(X_test, verbose=1)
anomalyScoresAE = anomalyScores(X_test, predictions)
preds = plotResults(y_test, anomalyScoresAE, True)
model.reset_states()

Error message when executing the above program:--------------

ValueError: y_true takes value in {"'0'", "'1'"} and pos_label is not specified: either make y_true take value in {0, 1} or {-1, 1} or pass pos_label explicitly.

 Gavin Su  Oct 02, 2023