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Hi all. What are you using to process circ data for ad-hoc queries. I usually extract csv or tab-delimited files - one row per item record, with identifying bib record data, then total checkouts over the given time period(s). I have been importing these into Access then grouping them by bib record. I think that I've reached the limits of scalability for Access for this project now, with 250,000 item records. Does anyone do this in R? My other go-to- software for data processing is RapidMiner free version. Or do you just use MySQL or other SQL database? I was looking into doing it in R with RSQLite (just read about this and sqldf http://www.r-bloggers.com/make-r-speak-sql-with-sqldf/ ) because I'm sure my IT department will be skeptical of letting me have MySQL on my desktop. (I've moved into a much more users-don't-do-real-computing kind of environment). I'm rusty enough in R that if anyone will give me some start-off data import code, that would be great. Cindy Harper E-services and periodicals librarian Virginia Theological Seminary Bishop Payne Library 3737 Seminary Road Alexandria VA 22304 [log in to unmask]<mailto:[log in to unmask]> 703-461-1794