Calculate the standard deviation within a moving window.

## Usage

MovingStddev(numbers field, above, below)

**numbers field** (required) The column of numbers to be measured.

**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

MovingStddev([Population 2010], 5, 5)

- Calculate the standard deviation for each set of 11 adjacent values.