what model should i use for prewhitening what is a criterion model for interquartile time series what is a prewhitening time series how to do a prewhitening in sas what is the difference between a cri and a time series? why is the arcima model chosen how to prewhitening a time series what is arima modelling sas prewhitening time series in a jenkins model why do sas models filter response series how to prewhitening times what is the difference between arima and ccf what model do I need to filter white noise do i have to set the arcama model why do i need to filter a time series what is the prewhitening period sas what is prewhitening time series used for what is a prewhitening time series why do i need to look at lags in interpolation what is prewhitening time series