Statistics on non masked points points:
 Min and max of the error field on non masked points:
 Min and its location in the error field :    3.4459431E-06
           82
 Max and its location in the error field :     38.61497    
           11
 Delta error :    1.287166    
 Error mean :    0.1535007711009616     
 End calculation of stat on the error