Class AccessorRowMajorDataFrame<R,​C extends RowMajorDataFrame.Column<R,​V>,​V>

    • Constructor Detail

      • AccessorRowMajorDataFrame

        public AccessorRowMajorDataFrame​(C[] columns)
    • Method Detail

      • getColumnClass

        public java.lang.Class getColumnClass​(C c)
        Description copied from interface: DataFrame
        Returns the most specific superclass for all cell values in a column
        Parameters:
        c - the key of the column
        Returns:
        the common ancestor class of the object values in the column.
      • getValueAt

        public V getValueAt​(R r,
                            C c)
        Description copied from interface: DataFrame
        Returns the value for the cell at the intersection of the column key and row key.
        Parameters:
        r - the row key whose value is to be queried
        c - the column key whose value is to be queried
        Returns:
        the value Object at the specified cell
      • setValueAt

        public void setValueAt​(R row,
                               C column,
                               V value)
        Description copied from interface: MutableDataFrame
        Sets the value for the cell at the intersection of the column key and row key.
        Parameters:
        row - the row key whose value is to be changed
        column - the column key whose value is to be changed
        value - the new value at the specified cell