addTrendLayer2(xData, yData [, color [, name [, depth ]]])

Adds a trend chart layer to the XYChart, and specify the x and y values for drawing the trend line.

Argument	Default	Description
xData	(Mandatory)	An array of numbers representing the x values of the data points.
yData	(Mandatory)	An array of numbers representing the y values of the data points.
color	-1	The color to draw the line. -1 means that the color is automatically selected from the palette.
name	""	The name of the data set. The name will be used in the legend box, if one is available. An empty string means the data set has no name.
depth	0	The 3D depth of the line layer.

A TrendLayer object representing the trend layer created.