Have you tried read.csv.sql from package sqldf? Peter
On Tue, Aug 5, 2014 at 10:20 AM, Spencer Graves <spencer.gra...@structuremonitoring.com> wrote: > What tools do you like for working with tab delimited text files up to > 1.5 GB (under Windows 7 with 8 GB RAM)? > > > Standard tools for smaller data sometimes grab all the available RAM, > after which CPU usage drops to 3% ;-) > > > The "bigmemory" project won the 2010 John Chambers Award but "is not > available (for R version 3.1.0)". > > > findFn("big data", 999) downloaded 961 links in 437 packages. That > contains tools for data PostgreSQL and other formats, but I couldn't find > anything for large tab delimited text files. > > > Absent a better idea, I plan to write a function getField to extract a > specific field from the data, then use that to split the data into 4 smaller > files, which I think should be small enough that I can do what I want. > > > Thanks, > Spencer > > ______________________________________________ > 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. ______________________________________________ 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.