def initialize(chart, options={})
      @show_marker = false
      @marker_symbol = options[:marker_symbol] ? options[:marker_symbol] : :default
      @smooth = false
      @labels, @data = nil, nil
      super(chart, options)
      @labels = AxDataSource.new(:data => options[:labels]) unless options[:labels].nil?
      @data = NumDataSource.new(options) unless options[:data].nil?
    end
Creates a new series
@option options [Array, SimpleTypedList] data
@option options [Array, SimpleTypedList] labels
@param [Chart] chart