def set_data_options(options)
      options.each_pair do |key, value|
        tags = @data_elements.transpose[0]
        i = tags.index(key)
        if i
          @data_elements[i][1] = value
        end
      end
    end
def set_data_options(options)
      options.each_pair do |key, value|
        tags = @data_elements.transpose[0]
        i = tags.index(key)
        if i
          @data_elements[i][1] = value
        end
      end
    end
Transfers the user-specified options to the @data_elements instance array.

 === Restrictions

 * Only tag & value pairs for tags which are predefined for the specific request type will be stored!