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Anomalous techniques

As we've seen in the videos, there exist multiple ways to identify anomalous values.

We've created a series of visualizations that may highlight anomaly identification techniques.

Which of the below is not a valid technique to identify anomalous values?

Take a look at the below visuals!

Window average
Z-scores > 3
Running total

This exercise is part of the course

Time Series Analysis in Tableau

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