高手帮帮我啊，告诉我用的什么包也可以啊。主要是新手还有点生疏
谢谢
不要沉啊

The rugarch package can be used to model a variety of univariate GARCH models with extensions such as ARFIMA, in-mean, external regressors and various other specifications; with methods for fit, forecast, simulation, inference and plotting are provided too

请问楼主知道怎么在R里面使用了吗？硕士论文需要用到，希望楼上能费时解答！