> As pointed out to me offline, data.table should be added to the list > of relevant packages as well. Its primary advantage is for large data > sets as it is very fast. Its interface does take some getting used to > but its most recent version on CRAN does have several vignettes which > should ease learning.
Note that the development version of plyr is as fast as data.table for many tasks. But I don't want to realise it until I'm sure that I haven't introduced any new bugs. Hadley -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
