can you include future indices in the forecasting model can I include future index in current forecasting can a future index be included in forecasts r how to include forward index when to include future index in r models r can you include future index in current forecasting can a future index be included in a r based model? what is future index for r how do you include future index into forecasting models can i put future index into current forecasting in r can forward index be used to generate a forecast in r? does xreg include a future index can we include future index in current forecasting model how to include forward index in current forecasting if a future index is included in a forecast model will it affect the current forecast? can future index and forward index be included in forecasting model in r can r include the future index in current forecasting model can forward index be included in r can we include index to r can i include future index into current forecasting