#### Probability Distributions

## Benford's Law

Benford’s Law, also called the first digit law, states that the leading digits of numbers in datasets that span large orders of magnitude are distributed in a non-uniform way.

#### Programming

## Binary Variable

A binary variable is a categorical variable that can only take one of two values, usually represented as a Boolean — True or False — or an integer variable — 0 or 1

#### Machine Learning Algorithm Decision Trees

## Gini Impurity

A measurement used to build Decision Trees to determine how the features of a dataset should split nodes to form the tree.