使用样本数据是2002-2023m3的，想要预测2023年之后的数据

fcast compute f1_,dynamic(2019) step(12)
since 2019 is in the estimation sample, nose is implicitly specified
forecast must begin 4 or more periods into estimation sample
r(198);

end of do-file

r(198);


求助各位大神这个要这么解决啊