why do we use a trend equation for forecasting and the level equation for forecasting? what is the difference between brown's linear exponential smoothing and holt's linear exponential smoothing? difference between brown model and holt model which method of implementing holt's exponential smoothing is correct how to implement brown's exponential smoothing why use the 'at' / 'bt' formula for forecasting what is the difference between brown's linear exponential smoothing and holt's linear exponential smoothing what is the difference between holt's and brown's linear model? which method of implementing the brown linear exponential smoothing is correct? if statement to smooth holt model vs browns what is the difference between holt and brown model what is a holt model what is the difference between holt model and brown's linear exponential smoothing model what is the difference between holt and brown which model uses the brown linear exponential equation which method of implementing the double exponential smoothing is correct? difference between holt's model and brown's linear exponential smoothing which method of implementing the brown's linear exponential smoothing is correct? what is holt's model when to use brown's linear exponential smoothing in spss?