XlTrendlineType Enumeration (Excel)

Office 2013 and later
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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.

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