#### 13.4 Standard Deviation Value

The information reader function StandardDeviationValue calculates the
standard deviation of all values within the selected file according to the
formula

| (2) |

NODATA values will be excluded from the calculation. To return the
standard deviation value the information reader function has to be added and
executed. The standard deviation value can be found in the table of the middle
window.

The Standard Deviation Value function has the following dependencies: