A single input source containing univariate series instances or multivariate series instances. The content type associated with the input is REAL (univariate) or MULTIIVAR_REAL (multivariate). The input is one of the following:
- Time series or spatial series with an INPUT_TYPE of DATA_SERIES and referenced by a SERIES_SPEC.
- Result series produced by the TD_ACF function with an INPUT_TYPE of ACF and is referenced by an ART_SPEC.