linregupper
Linear regression upper
Reference/Bands & channels/Function
linregupper(source, length, deviation)
Least-squares endpoint plus residual deviation. Sisters: linregmid, linreglower.
Parameters
| Name | Type | Description |
|---|---|---|
sourceoptional | series default close | Series to use. Omit it when the first argument is a number — ema(9) means ema(close, 9). |
length | int default 100 | Lookback in bars. Default 100. |
deviationoptional | float default 2 | Residual width. |
Return value
series
Short form: if the first argument is a number, Dovee uses close as the source.
Example
u = linregupper(close, 100, 2) m = linregmid(close, 100, 2) l = linreglower(close, 100, 2) plot u as "Upper" plot m as "LinReg" plot l as "Lower"