老师给了matlab的程序,让我们用Gauss写,这不坑爹了么。。。
求教高手该如何操作,先行谢过!

vratiotest(Variance ratio test for random walk)
archtest(Engle test for residual heteroscedasticity)
lbqtest(Ljung-Box Q-test for residual autocorrelation/squared residual)
mvnrmle(multivariate normal distribution)


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