The recommended way to manage series is to use Chart#add_series
A ScatterSeries defines the x and y position of data in the chart
Creates a new ScatterSeries
The fill color for this series. Red, green, and blue is expressed as sequence of hex digits, RRGGBB. A perceptual gamma of 2.2 is used.
Line smoothing between data points
Serializes the object
The x data for this series.
The y data for this series.