/**
  * Gets the current range selection
  *
  * @return a string containing a comma separated list of ranges
  */
 public String getAttributeIndices() {
   return m_Cols.getRanges();
 }
 /**
  * Gets the range of attributes used in the calculation of the distance.
  *
  * @return the attribute index range
  */
 @Override
 public String getAttributeIndices() {
   return m_AttributeIndices.getRanges();
 }