search for: tp18345794p18345794

...years and I was a matrix. I could use a looping function to do this, but tapply() is much faster with large datasets and so I would like to use it if possible. Any help is appreciated. Thanks. -- View this message in context: http://www.nabble.com/extracting-index-list-when-using-tapply%28%29-tp18345794p18345794.html Sent from the R help mailing list archive at Nabble.com.

...o this, but tapply() is much faster with >> large datasets and so I would like to use it if possible. >> >> Any help is appreciated. >> Thanks. >> -- >> View this message in context: >> http://www.nabble.com/extracting-index-list-when-using-tapply%28%29-tp18345794p18345794.html Sent from the R help mailing list archive at >> Nabble.com. >> >> ______________________________________________ >> R-help at r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-projec...