Example2_TTR.R L43

[wush978]

如果繞過 #31 , 會發生這個bug:

> getSymbols("^VIX")
[1] "VIX"
> Xt <- VIX
> BBands(Xt)
Error in BBands(Xt) : 
  Price series must be either High-Low-Close, or Close/univariate.

[wush978]

L70 類似

> tail(CCI(Xt))
 Show Traceback

 Rerun with Debug
 Error in CCI(Xt) : 
  Price series must be either High-Low-Close, or Close/univariate. 

[wush978]

L80