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

   ┌│ ---n---------
σ = │∘ 1∑  (x − ¯x2)
      ni=1  i

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: