Sets the number of digits to the right of decimal point. Increments the measurement counter by one. If the column does not exist, it is created. Set the row label column to null. Returns a copy of the given column as a float array.
Returns null if the column is empty.
Returns the index of the first column with the given heading. Sets the heading of the the first available column and returns that column's index. Returns a tab-delimited string containing the column headings. Changes the heading of the given column. Sets the number of digits to the right of decimal point.