When looking at a wide table (many columns) it is usefull to have a way of summarizing the table. str, summarize help but are not too good. Do you guys have your own ? Cheers -- View this message in context: http://r.789695.n4.nabble.com/Exploring-a-data-table-tp4716260.html Sent from the datatable-help mailing list archive at Nabble.com.