Re: [R] Please help me subset this dataframe, thanks...

Hi Mark. Have a look at the commands: merge and cbind I believe they may hold the key. I hope this helps :-) Tal On Mon, May 4, 2009 at 5:38 AM, Mark Na wrote: > Dear R-helpers, > > I have a dataframe called "trackpoints" with several columns including > a column called "time", eg: > > >

[R] Please help me subset this dataframe, thanks...

Dear R-helpers, I have a dataframe called "trackpoints" with several columns including a column called "time", eg: > trackpoints         time 1   12:00:00 2   12:00:01 3   12:00:02 . . . 298 12:04:57 299 12:04:58 300 12:04:59 I also have a dataframe called "data" that contains columns called "ID