Resending, now that I'm on this list. ---------- Forwarded message ---------- From: Tim Hesterberg <[email protected]> Date: Tue, May 22, 2012 at 9:44 AM Subject: Re: New package dataframe To: Matthew Dowle <[email protected]> Cc: [email protected]
Two other comments: * look at dataframe/inst/doc/differences.txt - that describes the programming tricks I used, you might find them useful * however, Luke Tierney is looking at that too and trying to change R to make those tricks unnecessary. He made a change to the development version that may make the "attributes<-"(...) trick I use unnecessary. On Tue, May 22, 2012 at 9:34 AM, Tim Hesterberg <[email protected]> wrote: > Hi Matthew, > > I haven't done timings to compare it to data.table. Chris Neff has done > some, and I think data.table is faster. > > I have done benchmarks for number of copies made. data.table is usually > better than dataframe alone, > and the combination is usually best of all. I'll attach those. > > Tim > > For my records: > ~/R/data.table/memory.R > > > On Tue, May 22, 2012 at 2:45 AM, Matthew Dowle <[email protected]>wrote: > >> >> Hi Tim, >> >> http://cran.r-project.org/web/packages/dataframe/index.html >> >> Looks interesting. How does it differ to data.table? I had a quick look >> but couldn't see any timings. >> >> Matthew >> >> >> >> >
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