which type of model is good for a long panel data set (or a time series))? why use lag selection can you use the r package to model a panel variable what is the best approach to model a time series of death how to model a time series with lag and errors what is dlm for modelling why is lag selection in data how to model a long panel variable can you use lag selection for a period in a time series? what is the best way to model a longitudinal panel how to model longitudinal panel data which model is best to model a time series? how to model a long panel of data what is the best way to model a long panel model? which is best method to model a panel variable with only the dependent variable? lag selection for a panel why use lag selection how to model a long panel what is lag selection what is lag selection model