On Mar 5, 2011, at 11:28 AM, Joshua Ulrich wrote:

Hi Chris,

Perhaps something like this?

require(xts)
ds <- options(digits.secs=6) # so we can see sub-seconds
x <- xts(1:10, as.POSIXct("2011-01-21") + c(1,1,1,2:8)/1e3)
x
indexFormat(x) <- "%H:%M:%OS3"
x


Joshua;

Does your reading of help(indexFormat) lead you to that suggestion? When I read it I thought that indexFormat would only accept onoe of " Date, POSIXct, chron,yearmon, yearqtr or timeDate." Those were the formats mentioned in the immediately preceding paragraph. I went to the help page hoping I would be told I could use format strings but left it thinking that I could only specify format classes.

--
David


Hope that helps,
--
Joshua Ulrich  |  FOSS Trading: www.fosstrading.com



On Fri, Mar 4, 2011 at 5:57 PM, rivercode <aqua...@gmail.com> wrote:
Hi,

I cannot figure out how to change the index format when displaying POSIXct
objects.

Would like the xts index to display as %H:%M:%OS3 when doing viewing the xts
object.

Think I am missing the obvious.

Cheers,
Chris

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David Winsemius, MD
Heritage Laboratories
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