which model is used to make adjustments to residuals when do i use an acf and pacf formula in r what is double seasonal smoothing in r r can you do acf and pacf when to adjust residuals for double seasonal exponential smoothing is it a coincidence to do ar(1) correction for residuals what is residuals of double seasonal exponential smoothing methods r how to fix residuals of time series do we need an arc for the residuals of time series when do you use arc(1) which of the following can be adjusted for residuals in double seasonal exponential smoothing? which method does r use to adjust residuals when do you do acf in exponential smoothing how to correct a residual in double seasonal exponential smoothing what type of r software is used to forecast time series what to do for double seasonal exponential how to use r to make residual correction? what model do you use? when to make ar correction can r use ar(1) for residuals why are residuals used in double seasonal smoothing