Examples of weka.core.Instance.deleteAttributeAt()

weka.core.Instance.deleteAttributeAt()
Deletes an attribute at the given position (0 to numAttributes() - 1). Only succeeds if the instance does not have access to any dataset because otherwise inconsistencies could be introduced. @param position the attribute's position @throws RuntimeException if the instance has access to adataset

       Instance inst = new DenseInstance(1.0, vals);
       //get rid of m_idColumn
       if(m_DataBaseConnection.getUpperCase())
              m_idColumn = m_idColumn.toUpperCase();
       if(m_structure.attribute(0).name().equals(m_idColumn)){
            inst.deleteAttributeAt(0);
            m_oldStructure.add(inst);
            inst = m_oldStructure.instance(0);
            m_oldStructure.delete(0);
       }
       else{

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       Instance inst = new Instance(1.0, vals);
       //get rid of m_idColumn
       if(m_DataBaseConnection.getUpperCase())
              m_idColumn = m_idColumn.toUpperCase();
       if(m_structure.attribute(0).name().equals(m_idColumn)){
            inst.deleteAttributeAt(0);
            m_oldStructure.add(inst);
            inst = m_oldStructure.instance(0);
            m_oldStructure.delete(0);
       }
       else{

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    Instance inst = new Instance(1.0, vals);
    // get rid of m_idColumn
    if (m_DataBaseConnection.getUpperCase())
      m_idColumn = m_idColumn.toUpperCase();
    if (m_structure.attribute(0).name().equals(m_idColumn)) {
      inst.deleteAttributeAt(0);
      m_oldStructure.add(inst);
      inst = m_oldStructure.instance(0);
      m_oldStructure.delete(0);
    } else {
      // instances is added to and deleted from the structure to get the

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       Instance inst = new Instance(1.0, vals);
       //get rid of m_idColumn
       if(m_DataBaseConnection.getUpperCase())
              m_idColumn = m_idColumn.toUpperCase();
       if(m_structure.attribute(0).name().equals(m_idColumn)){
            inst.deleteAttributeAt(0);
            m_oldStructure.add(inst);
            inst = m_oldStructure.instance(0);
            m_oldStructure.delete(0);
       }
       else{

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   inst = new DenseInstance(1.0, vals);
       //get rid of m_idColumn
       if(m_DataBaseConnection.getUpperCase())
              m_idColumn = m_idColumn.toUpperCase();
       if(m_structure.attribute(0).name().equals(m_idColumn)){
            inst.deleteAttributeAt(0);
            m_oldStructure.add(inst);
            inst = m_oldStructure.instance(0);
            m_oldStructure.delete(0);
       }
       else{

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