# indie:lang_version = 5
from indie import indicator, param, source, plot
from indie.algorithms import LinReg


@indicator('LSMA', overlay_main_pane=True)  # Least Squares Moving Average
@param.int('length', default=25, min=1)
@param.int('offset', default=0)
@param.source('src', default=source.CLOSE)
@plot.line(title='LSMA')
def Main(self, length, offset, src):
    return LinReg.new(src, length, offset)[0]