[R-SIG-Finance] SUMMARY: Reducing an intra-day dataset into one obs per second

[Ajay Shah]

On Sun, Dec 6, 2009 at 8:23 PM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> You might want to indicate what versions of the software and what platform
> you used since when I use the latest versions of those packages on a Windows
> Vista machine with R 2.10.0 Patched I get quite different relative timings
> with soln3 being the fastest this time as shown here starting in a fresh
> session of R:
>
>> R.version.string
> [1] "R version 2.10.0 Patched (2009-11-21 r50532)"
>> packageDescription("xts")$Version
> [1] "0.6-9"
>> packageDescription("zoo")$Version
> [1] "1.6-2"

How interesting! I am also on the same xts and zoo versions. I'm on
Mac OS X `Leopard' with R 2.10.0

What did R 2.10.0 Patched do which has changed the ordering of the
four solutions?

-- 
Ajay Shah
ajayshah at mayin.org
http://www.mayin.org/ajayshah
http://ajayshahblog.blogspot.com