Re: [R] aggregating using a non-summary function?

2009-08-22 Thread Gabor Grothendieck
On Wed, Aug 19, 2009 at 12:14 AM, Gabor Grothendieck wrote: > On Tue, Aug 18, 2009 at 7:09 PM, Sherri Heck wrote: >> Dear all- >> >> I have a data set that looks as follows (data are taken every 5 minutes): >> >>      LST   in     mph    Deg   DegF  DegF2    %    volts   Deg    mph2   w/m2 >> 09050

Re: [R] aggregating using a non-summary function?

2009-08-18 Thread Gabor Grothendieck
On Tue, Aug 18, 2009 at 7:09 PM, Sherri Heck wrote: > Dear all- > > I have a data set that looks as follows (data are taken every 5 minutes): > >      LST   in     mph    Deg   DegF  DegF2    %    volts   Deg    mph2   w/m2 > 090501   -999    7.5  259.3   33.0   -999   41.5   -999   -999    9.1

[R] aggregating using a non-summary function?

2009-08-18 Thread Sherri Heck
Dear all- I have a data set that looks as follows (data are taken every 5 minutes): LST in mphDeg DegF DegF2%volts Degmph2 w/m2 090501 -9997.5 259.3 33.0 -999 41.5 -999 -9999.10.2 0905010005 -999 11.0 261.2 33.1 -999 42.6