Period property (Excel Graph)
Returns or sets the period for the moving-average trendline. Read/write Long.
expression.Period
expression Required. An expression that returns one of the objects in the Applies To list.
This example sets the period for the moving-average trendline. The example should be run on a 2D column chart with a single series that contains 10 data points and a moving-average trendline.
With myChart.SeriesCollection(1).Trendlines(1)
If .Type = xlMovingAvg Then .Period = 5
End With
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