[R] Calculate mean between to classes for each ID
Patrick Connolly
p_connolly at slingshot.co.nz
Tue Feb 14 20:07:23 CET 2012
On Tue, 14-Feb-2012 at 04:30AM -0800, Sana wrote:
|> I have a data set that looks like this:
|> ID STRATA G_F_Bl Dkl N g_pr_dkl N_ha G_ha
|> 20,103 2 1 5 5 0,002 250 0,5
|> 20,103 2 1 7 3 0,0038 150 0,57
|> 20,103 2 1 9 6 0,0064 300 1,92
|> 20,103 2 1 11 1 0,0095 50 0,475
|> 20,103 2 1 13 1 0,0133 50 0,665
|> 20,103 2 1 15 1 0,0177 50 0,885
|> 20,103 2 1 17 3 0,0227 150 3,405
|> 20,103 2 1 21 2 0,0346 100 3,46
|> 20,103 2 1 23 2 0,0415 100 4,15
|> 20,103 2 1 25 2 0,0491 100 4,91
|> 20,103 2 1 27 1 0,0573 50 2,865
|> 20,103 2 1 29 1 0,0661 50 3,305
|> 20,103 2 1 37 1 0,1075 50 5,375
|> 20,7 2 1 5 10 0,002 500 1
|> 20,7 2 1 7 7 0,0038 350 1,33
|> 20,7 2 3 7 1 0,0038 50 0,19
|> 20,7 2 1 9 7 0,0064 350 2,24
|> 20,7 2 1 11 1 0,0095 50 0,475
|> 20,7 2 1 13 1 0,0133 50 0,665
|> 20,7 2 1 15 3 0,0177 150 2,655
|> 20,7 2 1 19 2 0,0284 100 2,84
|> 20,7 2 1 21 3 0,0346 150 5,19
|> 20,7 2 1 23 2 0,0415 100 4,15
|>
|> I'd like to calculate the mean for g_pr_dkl between Dkl for each ID.
|> Can anybode please help me?
?aggregate
|>
|> Thanks,
|> Sana
|>
|> --
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--
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.
___ Patrick Connolly
{~._.~} Great minds discuss ideas
_( Y )_ Average minds discuss events
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