Re: [R] EXTERNAL: Re: subset with aggregate key

2011-07-13 Thread Matthew Dowle
To close this thread on-list : packageVersion() was added to R in 2.12.0. data.table's dependency on 2.12.0 is updated, thanks. Matthew "Jesse Brown" wrote in message news:4e1b21a8.8090...@atl.lmco.com... > Matthew Dowle wrote: >> Hi, >> >> Try package 'data.table'. It has a concept of keys whic

Re: [R] EXTERNAL: Re: subset with aggregate key

2011-07-11 Thread Jesse Brown
Matthew Dowle wrote: Hi, Try package 'data.table'. It has a concept of keys which allows you to do exactly that. http://datatable.r-forge.r-project.org/ Matthew Hi Matthew, Unfortunately, the load of that library fails (it builds successfully). I'm currently looking into why. Error outpu