Find the maximum value within a moving window.

## Usage

MovingMax(field, above, below)

**field** (required) The column to be searched.

**above** (required) The number of rows above the current to include.

**below** (optional) The number of rows below the current to include. Defaults to 0.

## Example

MovingMax([Population 2010], 5, 5)

- Calculate the maximum population for each set of 11 adjacent values.