mbedward wrote: > > Sounds just like the subset function (?) > .. > > Or try sqldf if you feel at home in the SQL empire. Dieter -- View this message in context: http://r.789695.n4.nabble.com/Querying-a-data-frame-or-data-table-tp3070750p3070926.html Sent from the R help mailing list archive at Nabble.com.