[R] XTS Subsetting question (noob)
josh.m.ulrich at gmail.com
Tue Oct 16 13:55:36 CEST 2012
On Tue, Oct 16, 2012 at 5:04 AM, john.dempster78
<john.dempster78 at gmail.com> wrote:
> How can an xts object be subset using a date in a variable?
> E.g. in below, what is the right syntax for Q to get the same value as P?
> Obviously the syntax shown below doesnt work...
> V is an xts object.
> P <- V['2007-01-01/']
> Q <- V['d/']
To clarify, d is a character string, not a Date. In order for Q to be
like P, you need to create a character string from d that equals the
one you used to create P. You can do this with paste().
Q <- V[paste(d,"/",sep="")]
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Joshua Ulrich | about.me/joshuaulrich
FOSS Trading | www.fosstrading.com
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