[R] plotOHLC(alpha3): Error in plotOHLC(alpha3) : x is not a open/high/low/close time series

Ted Byers r.ted.byers at gmail.com
Wed Jan 11 18:10:56 CET 2012


Hi Joshua,

Thanks.

I had used irts because I thought I had to.  The tick data I have has some
minutes in which there is no data, and others when there are hundreds, or
even thousands.  If xts supports irregular data, the that is one less step
for me to worry about.

Alas, your suggestion didn't help:

> z <- xts(y[,2], y[,1]) 
> alpha3 <- to.minutes3(z, OHLC=TRUE) 
> plotOHLC(alpha3)
Error in plotOHLC(alpha3) : x is not a open/high/low/close time series
> str(alpha3)
An ‘xts’ object from 2010-06-30 15:47:00 to 2011-10-31 15:14:00 containing:
  Data: num [1:98865, 1:4] 9215 9220 9205 9195 9195 ...
 - attr(*, "dimnames")=List of 2
  ..$ : NULL
  ..$ : chr [1:4] "z.Open" "z.High" "z.Low" "z.Close"
  Indexed by objects of class: [POSIXct,POSIXt] TZ: 
  xts Attributes:  
 NULL

Is there anything else I might try?

Thanks again,

Ted

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