@Override public double[] toDoubleArray(){
  double[] newValues=new double[m_AttValues.length];
  System.arraycopy(m_AttValues,0,newValues,0,m_AttValues.length);
  return newValues;
}

@ Override public double [ ] toDoubleArray ( ) { double [ ] newValues = new double [ m_AttValues . length ] ; System . arraycopy ( m_AttValues , 0 , newValues , 0 , m_AttValues . length ) ; return newValues ; }
returns the values of each attribute as an array of doubles .
