Class for HARSim object
A virtual Class: No objects may be created from it
simulation:Object of class numeric containing the simulated series
info:Object of class list cointaining:
len: Object of class numeric containing the length of the simulated series
periods: Object of class numeric containing the lag-vector used for simulation
coefficients: Object of class numeric containing the coefficients used for simulation
errorTermSD: Object of class numeric containing the standard error of the error term
elapsedTime: Object of class difftime containing the time elapsed in seconds
show:signature(object = "HARSim"): Shows summary
plot:signature(x = "HARSim" , y = "missing"): Plot the forecasted series and observed series as well as the residuals
uncmean:signature(object = "HARSim"): Extracts the unconditional mean from the simulation
coef:signature(object = "HARSim"): Extracts the coefficients from the simulation