Parameters

 Keyword   Posn  Type      Description
 -------   ----  ----      -----------
 INP         1   CHARACTER Input dataset.
 OUT         2   CHARACTER Output dataset. Only used if OVER is
                           false.
 WEIGHT_DATA 3   REAL      Significance data. Must be primitive
                           object.
 OVER        -   LOGICAL   Overwrite input file?
    Hidden default = FALSE