Model 
The model time series contain the results of demand modeling for specific combinations of product / location / sales organization / distribution channel / order channel / day for the specified time period.
The model time series are required as input for demand forecasting. Before objects (such as products and locations) can be considered for a forecast, they must first have been modeled.
The following model time series can be generated:
Unified Demand Forecast (UDF) model time series
Contains the modeled demand.
Decomposition values for the UDF model time series
Contains the decomposed values for the modeled demand. Demand decomposition indicates which portion of the demand can be attributed to each factor that is assessed during modeling.
The model time series are generated based on the provided master data and historical demand data. You can provide the historical demand data via the following time series:
Generic (consumption data)
Sales (point-of-sale data)
SAP HANA Content for DDF with UDF (point-of-sale data or sales orders provided via virtual data models)