[R-SIG-Finance] Using attachSymbols with non-default argument values (Was: the ZigZag function)

[Brian G. Peterson]

On Thu, 2012-04-26 at 18:22 -0400, Gordon Erlebacher wrote:
> I wish to keep the last 150 days of 7000 stocks on disk. Every day, I
> would like to run an update that removes the earliest entry of every
> stock, and stores the latest entry of every stock. So cache size
> remains constant, but contents change. 
> Any ideas? Am I clear?

Disk is cheap, and getSymbols supports from and to dates.

Buy more disk.


-- 
Brian G. Peterson
http://braverock.com/brian/
Ph: 773-459-4973
IM: bgpbraverock