[R] x is not a open/high/low/close time series

[Gabor Grothendieck]

Dean Sonneborn <dsonneborn <at> ucdavis.edu> writes:
> I am trying to create a high low close style chart but I keep getting the 
> following error statement; "x is not a open/high/low/close time 
> series".  

Using is.mts(x) and colnames(x) check that these hold:

- the object is an "mts"
- the names of the first, second, third and fourth columns are
  "Open", "High", "Low" and "Close", respectively