Assign the rows of a column to a given number of ranks.

## Usage

Ntile(ranks, field, direction)

**ranks** (required) Number of ranks. Must be an integer greater than 0.

**field** (required) The column used to order the table.

**direction** (optional) The direction to sort the input column. Enter is “asc” to sort ascending and “desc” to sort descending. Default sort is ascending.

NOTE: *An equal number of rows will be given each Ntile rank. The Ntile ranks are assigned in order.*

## Example

Ntile(4, [Population 2010])

An equal number of rows will be ranked 1, 2, 3 and 4 according to the size of their population. The lowest quartile of values in [Population 2010] will be ranked 1. The Highest quartile of values will be ranked 4.