# Calculate Gini Index of a numeric vector

### Description

Calculate the Gini index of a numeric veector

### Usage

1 | ```
gini(x, na.rm=FALSE)
``` |

### Arguments

`x` |
A numeric vector. |

`na.rm` |
Logical. If set to |

### Details

The Gini index (Gini coefficient) is a measure of statistical dispersion. A Gini coefficient of zero expresses perfect equality where all values are the same. A Gini coefficient of one expresses maximal inequality among values.

### Value

A numeric value between 0 and 1.

### Author(s)

Jitao David Zhang

### References

Gini. C. (1912) *Variability and Mutability*, C. Cuppini, Bologna
156 pages.

### Examples

1 2 | ```
testValues <- runif(100)
gini(testValues)
``` |

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