2015年12月23日
Augmented Dickey-Fuller Test
data: R
Dickey-Fuller = -13, Lag order = 12, p-value = 0.01
alternative hypothesis: stationary
有充分證據顯示報酬率資料無單根 (資料定態)
Augmented Dickey-Fuller Test
data: residual1
Dickey-Fuller = -13, Lag order = 13, p-value = 0.01
alternative hypothesis: stationary
Box-Ljung test
data: residual1
X-squared = 0.0026, df = 1, p-value = 0.9593