DATASET Convert SDDATA object into PRTools dataset

   B=DATASET(A)

 INPUT
   A    SDDATA object

 OUTPUT
   B    PRTools dataset object

 DESCRIPTION
 DATASET method converts SDDATA object into PRTools dataset.  Only labels,
 feature labels and sample properties are converted, not additional
 feature or data properties. SDLAB objects are converted into string
 arrays.

 SEE ALSO
 SDDATA