//@version=5
indicator(title = "Least Squares Moving Average", shorttitle="LSMA", overlay=true, timeframe="", timeframe_gaps=true)
length = input(title="Length", defval=25)
offset = input(title="Offset", defval=0)
src = input(close, title="Source")
lsma = ta.linreg(src, length, offset)
plot(lsma)