[R] dataTable manipulation in R

Adaikalavan Ramasamy ramasamy at cancer.org.uk
Sun Nov 6 18:44:15 CET 2005


Check out the R Data Import/Export manual, especially
http://cran.r-project.org/doc/manuals/R-data.html#DBI-_002f-RMySQL
and the RMySQL package.


On Sun, 2005-11-06 at 03:37 +0000, Xiaofan Li wrote: 
> Dear colleague,
> 
> Is it able in R to manipulate data tables as in SQL-based databases?
> Is there any good method in R to locate a special subset of data rows, which
> satisfy a certain expression of restrictions (e.g. dataTable$peakValue <
> 3.0)? Then if located, is it able for manipulations, for example, to delete
> them from the dataTable?
> 
> Cheers,
> Xiaofan
> 
> ---
> Xiaofan Li
> Department of Applied Mathematics and Theoretical Physics
> University of Cambridge
> 
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