Statistics - Benford's law (frequency distribution of digits)

Thomas Bayes


Benford's law, also called the first-digit law, refers to the frequency distribution of digits in many (but not all) real-life sources of data.

If there is any cut-off which excludes a portion of the underlying data above a maximum value or below a minimum value, then the law will not apply.

It's a powerful tool in anti-fraud against random generators.


Data must span several orders of magnitude (No min/max cutoffs)

Benfords Law Limitations

Documentation / Reference

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