On Sat, 2009-07-04 at 22:24 -0700, JoK LoQ wrote:> I'm dealing with lots of columns and conditions, wats t best way to
deal with
> that?
> How do I work with SQL on R? the manual is quite confuse talking about
that.
> Do I need a package?
I don't understand your question, but
if you think use SQL in your data frames do you use SQLDF
(http://cran.r-project.org/web/packages/sqldf/index.html)
if you thinks use a database server and access it in R i sugest you use
RMySQL (http://cran.r-project.org/web/packages/RMySQL/index.html)
--
Bernardo Rangel Tura, M.D,MPH,Ph.D
National Institute of Cardiology
Brazil