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Time Interpret: a Unified Model Interpretability Library for Time Series

5 June 2023
Joseph Enguehard
    FAtt
    AI4TS
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Abstract

We introduce \texttt{time_interpret}, a library designed as an extension of Captum, with a specific focus on temporal data. As such, this library implements several feature attribution methods that can be used to explain predictions made by any Pytorch model. \texttt{time_interpret} also provides several synthetic and real world time series datasets, various PyTorch models, as well as a set of methods to evaluate feature attributions. Moreover, while being primarily developed to explain predictions based on temporal data, some of its components have a different application, including for instance methods explaining predictions made by language models. In this paper, we give a general introduction of this library. We also present several previously unpublished feature attribution methods, which have been developed along with \texttt{time_interpret}.

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