[datatable-help] there is no package called ‘xts’

[Sam Steingold]

I apologize for double posting - my first message appeared to have been rejected.

> * Sam Steingold <fqf at tah.bet> [2013-04-23 17:57:36 -0400]:
>
> Hi,
> I got this:
>
>> dt <- frame[, lapply(.SD, last) ,by=id]
> Finding groups (bysameorder=TRUE) ... done in 0.126secs. bysameorder=TRUE and o__ is length 0
> Optimized j from 'lapply(.SD, last)' to 'list(last(country), last(language), last(browser), last(platform), last(uatype), last(behavior))'
> Starting dogroups ... Error in loadNamespace(name) : there is no package called ‘xts’
> Calls: [ -> [.data.table -> last -> :: -> getExportedValue -> asNamespace -> getNamespace -> tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
>>
>
> the help for last does mention xts, but I don't have it installed.
> do I need to?

-- 
Sam Steingold (http://sds.podval.org/) on Ubuntu 12.10 (quantal) X 11.0.11300000
http://www.childpsy.net/ http://openvotingconsortium.org http://pmw.org.il
http://camera.org http://dhimmi.com http://think-israel.org
Don't use force -- get a bigger hammer.