In addition to both the predefined arrays listed in the OUTARRAYS statements and also the predefined scalars listed in the OUTSCALARS statements, the TIMEDATA procedure creates the following predefined symbols for use in the program statements:
time format either implied by the INTERVAL= option or specified by the FORMAT= option in the ID statement
time interval specified by the INTERVAL= option in the ID statement
forecast horizon or lead specified by the LEAD= option in the PROC TIMEDATA statement
length of the time series associated with the current BY group
series index or BY group counter
length of the seasonal cycle specified by the SEASONALITY= option PROC TIMEDATA statement or implied by the INTERVAL= option in the ID statement
time ID values
season index values
life-cycle index values