can you use exponential smoothing instead of stationary do you have to be stationary to use exponential smoothing in time series is non stationary time series forecasting possible can you use exponential smoothing and moving averages without making them stationary what methods do i can use in non-stationary time series forecasting? what methods are used to forecast without making data stationary why is holt winters method used are moving averages and exponential smoothing stationary what is non stationary time series is time series forecasting stationary can you use exponential smoothing to make time series do you need to be stationary to use exponential smoothing methods? when a time series is stationary when to use non stationary time series when are time series considered non stationary do you need to make data stationary for predicting which method should be used to determine the time series what is non stationary time series should the time series be stationary can i use exponential smoothing without stationary time series