Benford's Law
Published in
1 min readJan 17, 2019
It’s also called
Newcomb-Benford's Law
,Law of Anomalous Numbers
, andFirst-Digit Law
.
It is an observation about the frequency distribution of leading digits in many real-life sets of numerical data.
The first digits of data entries in most real-world data sets are not uniformly distributed. The most common first digit is 1, followed by 2, and so on, with 9 being the least common first digit. This phenomenon is known as Benford's Law
.
The leading digits in such a set thus have the following distribution: