Thanks very much for your response. This sqldf package looks promising. I just need to figure out if a dbms needs to be running/installed in our environment (to hold the temporary SQLite DB it creates). The examples in the documentation are helpful too.
-----Original Message----- From: Dennis Murphy [mailto:djmu...@gmail.com] Sent: Friday, July 15, 2011 2:10 PM To: Bhushan, Vipul Cc: r-help@r-project.org Subject: Re: [R] Querying RData Files, SQL style? Hi: If you load the data into R, there is a package called sqldf that allows one to apply SQL syntax to an R data frame. Is that what you had in mind? If so, Google 'sqldf R' and you should get a pointer to its home page. HTH, Dennis On Fri, Jul 15, 2011 at 7:29 AM, Bhushan, Vipul <vipul.bhus...@geodecapital.com> wrote: > Hello. Is there a package or functionality available somewhere which will > allow for complex searches (such as what SQL can do) of collections of RData > files? Search capability within a given RData file at a time (which could be > put in a loop) would be good, but the capability to perform joins to data > across multiple RData files would be great. These queries might be ad-hoc, so > writing an R program to get(load(...)) each file and customize the search in > home-grown R code isn't feasible. > > This shouldn't be dependent on environment details, but just in case: I'm > running version 2.13.0 in a Unix environment (but could easily run in Windows > too). > > Thanks very much. > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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.
