Linear Regression 21 Bar and 55 Bar

[andersfw2]

I am trying to set up a linear regression curve using 21 bars and 55 bars. I cannot find one in E-signal. These lines will follow the stocks movement as a moving average does.

Any help would be greatly appreciated.

Thanks.

Greenback

[ACM]

Greenback
If you run a Search using either LSMA or Linear Regression as the keyword you will find several scripts (and variations thereof) that will compute the Linear Regression
Alex