what is the var model how can i use var and seasonality why use var in multivariate time series what is par and seasonality in r why use var model what is var in r? why use autoregressive variable why is var model useful in time series? when you use seasonality in time series, what model would you use what is r-var model which model is best for multivariate time series? what model would i use to show seasonality how to use var model in r can i use var in time series what is par in r what is the relationship between seasonality and var in r is var and seasonal variability the same? var model examples are seasonality variables related when to use vara model