## SetBackward function

Returns or sets the number of periods (or units on a scatter chart) that the trendline extends backward.The number of periods must be greater than or equal to zero.If the chart type is column ,the number of periods must be between 0 and 0.5

```go

func (instance *Trendline) SetBackward(value float64)  error

```

## Remarks


## See Also

* Class [Trendline](../)
* Library [Aspose.Cells for Go](../../)