[R-pkgs] data.table 1.4.1 now on CRAN

From: Matthew Dowle <mdowle_at_mdowle.plus.com>
Date: Thu, 06 May 2010 19:15:36 +0100


data.table is an enhanced data.frame with fast subset, fast grouping and fast merge. It uses a short and flexible syntax which extends existing R concepts.

Example:

    DT[a>3,sum(b*c),by=d]
where DT is a data.table with 4 columns (a,b,c,d).

data.table 1.4.1 :

http://datatable.r-forge.r-project.org/

http://cran.r-project.org/web/packages/data.table/index.html

There is a new mailing list, datatable-help. Please do send comments, feedback, problems and questions.

Matthew and Tom



R-packages mailing list
R-packages_at_r-project.org
https://stat.ethz.ch/mailman/listinfo/r-packages Received on Fri 07 May 2010 - 22:32:41 EST

This archive was generated by hypermail 2.2.0 : Fri 07 May 2010 - 22:40:02 EST