Hi Steven,
One would be
with(yourdataset, aggregate(x, list(lc1, id), mean))
Group.1 Group.2x
1 85 ga1 45.47261
2 95 ga1 53.38831
3 105 ga1 58.18282
4 115 ga1 63.77469
5 125 ga1 66.98222
6 85 ga2 47.55711
7 95 ga2 54.78450
Try this:
aggregate(x ~ lc1 + id, DF, FUN = mean)
Where DF is your data.frame
On Fri, Mar 25, 2011 at 2:36 PM, Steven Ranney wrote:
> All –
>
> I have an example data frame
>
> x lc1 id
> 43.38812035 85 ga1
> 47.55710661 85 ga1
> 47.55710661 85 ga2
> 47.5571
All –
I have an example data frame
x lc1 id
43.38812035 85 ga1
47.55710661 85 ga1
47.55710661 85 ga2
47.55710661 85 ga2
51.99211429 85 ga3
51.99211429 85 ga3
51.99211429 95 ga1
54.78449958 95 ga1
54.78449958 95
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