[datatable-help] lapply on .SD example, and dropping names in functions

Matthew Dowle mdowle at mdowle.plus.com
Wed Feb 9 00:10:14 CET 2011


Just replied to this thread on r-help. Perhaps quite a few people might
be unaware of syntax like this in data.table ...

http://r.789695.n4.nabble.com/Convert-the-output-of-by-to-a-data-frame-tp3268428p3278326.html

Matthew





More information about the datatable-help mailing list