code: def decode(self, encoded, parentFieldName=''):
      
  
      assert (encoded[0:self.n] <= 1.0).all()
  
      resultString =  ""
      resultRanges = []
  
      overlaps =  (self.sdrs * encoded[0:self.n]).sum(axis=1)
  
      if self.verbosity >= 2:
        print "Overlaps for decoding:"
        for i in xrange(0, self.ncategories):
          print "%d %s" % (overlaps[i], self.categories[i])
  
      matchingCategories =  (overlaps > self.thresholdOverlap).nonzero()[0]
  
      for index in matchingCategories:
        if resultString != "":
          resultString += " "
        resultString +=  str(self.categories[index])
        resultRanges.append([int(index),int(index)])
  
      if parentFieldName != '':
        fieldName = "%s.%s" % (parentFieldName, self.name)
      else:
        fieldName = self.name
      return ({fieldName: (resultRanges, resultString)}, [fieldName])
docs: See the function description in base.py