Benford’s + Chi-Square to Detect Anomalies

Author(s): Konstantin Pluzhnikov

Originally published on Towards AI.

Let’s calculate some statistics to gain confidence in whether there is something suspicious in the data or not

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“Spatial anomaly” by Mike G on Flickr

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Imagine a situation where you have a list of transactions taken from a large dataset. You have a suspicion there is something wrong with the data inside. There may be an error in data gathering, deliberate manipulations, human errors, or even violations in the ground process results that people register in a database. On the other hand, this specific dataset may be nothing extraordinary. In other… Read the full blog for free on Medium.

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Published via Towards AI