Set which years to be processed
     
    
    Usage
    set_target_years(period = NULL, available = NULL)
 
     
    
    Arguments
- period
 
character(2)/integer(2) of integer/character/Date.
 
- available
 
vector of integer or Date. Available years to be processed.
 
 
    
    Value
    A vector of years to be processed.
     
    
    Note
    This function is designed to define the temporal domain
from the calculation period and the available years of raw data.