@Override
    public void addSparseValues(int[] indexValues, double[] attributeValues, int numberAttributes) {
        this.instanceData = new SparseInstanceData(attributeValues, indexValues, numberAttributes); //???
    }
@ Override public void addSparseValues ( int [ ] indexValues , double [ ] attributeValues , int numberAttributes ) { this . instanceData = new SparseInstanceData ( attributeValues , indexValues , numberAttributes ) ; }
Adds the sparse values.

@param indexValues the index values
@param attributeValues the attribute values
@param numberAttributes the number attributes