Multiple time series is just that: Multiple series instead of a single series . Multivariate time series is usually contrasted with univariate time series, where each observation at a time t is a vector of values instead of a single value.
Multiple time series is just that: Multiple series instead of a single series . Multivariate time series is usually contrasted with univariate time series, where each observation at a time t is a vector of values instead of a single value.