addConfidenceBand(confidence, upperFillColor [, upperEdgeColor [, upperLineWidth [, lowerFillColor [, lowerEdgeColor [, lowerLineWidth ]]]]])

Adds a confidence band to the trend layer.

Please refer to the description of TrendLayer on what is a confidence band.

Argument	Default	Description
confidence	(Mandatory)	The confidence level - must be between 0 - 1.
upperFillColor	(Mandatory)	The fill color for the upper side of the confidence band (the portion that is above the regression line).
upperEdgeColor	Transparent	The border color for the upper side of the confidence band (the portion that is above the regression line).
upperLineWidth	1	The border width for the upper side of the confidence band (the portion that is above the regression line).
lowerFillColor	-1	The fill color for the lower side of the confidence band (the portion that is below the regression line). -1 means the color is the same as upperFillColor.
lowerEdgeColor	-1	The border color for the lower side of the confidence band (the portion that is below the regression line). -1 means the color is the same as upperEdgeColor.
lowerLineWidth	-1	The border width for the lower side of the confidence band (the portion that is below the regression line). -1 means the color is the same as upperLineWidth.

None