XlTrendlineType Enumeration

Excel Developer Reference

Specifies how the trendline that smoothes out fluctuations in the data is calculated.

Name Value Description
xlExponential 5 Uses an equation to calculate the least squares fit through points, for example, y=ab^x .
xlLinear -4132 Uses the linear equation y = mx + b to calculate the least squares fit through points.
xlLogarithmic -4133 Uses the equation y = c ln x + b to calculate the least squares fit through points.
xlMovingAvg 6 Uses a sequence of averages computed from parts of the data series. The number of points equals the total number of points in the series less the number specified for the period.
xlPolynomial 3 Uses an equation to calculate the least squares fit through points, for example, y = ax^6 + bx^5 + cx^4 + dx^3 + ex^2 + fx + g.
xlPower 4 Uses an equation to calculate the least squares fit through points, for example, y = ax^b.