> Does FAQ 1.8 answer that ok ? > "Ok, I'm starting to see what data.table is about, but why didn't you > enhance data.frame in R? Why does it have to be a new package?" > http://datatable.r-forge.r-project.org/datatable-faq.pdf
Kind of. I think there are two sets of features data.table provides: * a compact syntax for expressing many common data manipulations * high performance data manipulation FAQ 1.8 answers the question for the syntax, but not for the performance related features. Basically, I'd love to be able to use the high performance components of data table in plyr, but keep using my existing syntax. Currently the only way to do that is for me to dig into your C code to understand why it's fast, and then implement those ideas in plyr. Hadley -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ R-help@r-project.org 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.