On Fri, Apr 26, 2013 at 3:47 PM, Matthew Dowle <[email protected]> wrote: > On 26.04.2013 23:02, Sam Steingold wrote: >>> http://stackoverflow.com/questions/16241687/summarize-a-data-table-across-multiple-columns >> >> downvoted, unlikely to be answered. > > I've read it through. > > Perhaps sleep on it, don't look for 24hrs and look again as if you were > trying to answer it yourself. Are there any small changes you can make to > make it easier to answer? It wasn't me that downvoted but I suspect it's > been done to encourage you to improve the question. Downvotes can (and often > are) reversed. I've had many more downvotes than you once, but then I > improved it and it went to +10. > > And, it's Friday and we've all had a long week!
Beautiful advice, Matthew! Sam - I've provided my answer (and even used Reduce since you seem to be coming from Lisp land), but I also think some of the down votes/comments have their merit. _______________________________________________ datatable-help mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
