RMS (Root Mean Square) error expressed relative to the 'from' and 'to' points defining the transformation. These error terms are valid after using DefineFromControlPoints to define the transformation.
[Visual Basic .NET] Public Sub GetRMSError ( _ ByRef toError As Double _ )
[C#] public void GetRMSError ( ref double toError );
Product Availability
Available with ArcGIS Desktop.