Re: [R] using data.table ,plyr

2014-03-27 Thread Rohit Gupta
gt; answered elsewhere. > > Hadley > > On Thu, Mar 27, 2014 at 6:01 AM, Rohit Gupta wrote: > > I have a data A which looks like > > > > > > author_id paper_id prob > >731249431 > >731249431 > >731 688974

[R] using data.table ,plyr

2014-03-27 Thread Rohit Gupta
I have a data A which looks like author_id paper_id prob 731249431 731249431 731 6889741 731 964345.8 731 1201905.9 731 12679921 736249 .2 736 6889 1 736 94345.7 7