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Table Of Contents
Deep Learning and XAI Techniques for Anomaly Detection
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To practice what we learned in this chapter, I recommend exploring the Numenta Anomaly Benchmark (NAB) for any hidden anomalous trend: https://www.kaggle.com/datasets/julienjta/twitter-mentions-volumes. This time series dataset contains a collection of Twitter mentions for large companies, including Apple, Amazon, Salesforce, CVS, Facebook, Google, IBM, Coca-Cola, Pfizer, and UPS. The data is aggregated at a 5-minute interval between February and April 2015. For example, can your model detect the unusual spike of Twitter mentions for Apple in March? Can you explain the detected time series anomalies with an XAI method? Be sure to check for imbalance distribution and missing values in the dataset.