point_confusion_matrix when both ground truth and predicted anomalies lists are empty.

sintel-dev / Orion

A machine learning library for detecting anomalies in signals.

https://sintel.dev/Orion/

MIT License

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Open Linh-nk opened 5 months ago

Linh-nk commented 5 months ago

When both ground truth and predicted anomalies lists are empty, point_confusion_matrix function gave ValueError: min() arg is an empty sequence

Paste the command(s) you ran and the output.
If there was a crash, please include the traceback here.

sarahmish commented 1 week ago

we should add a condition to handle this situation.

expected behavior would be to return an empty confusion matrix, i.e. None.