[R] Data-frame selection

[peter dalgaard]

> On 11 Oct 2015, at 02:12 , Jeff Newmiller <jdnewmil at dcn.davis.ca.us> wrote:
> 
> Sorry I missed the boat the first time, and while it looks like Peter is getting closer I suspect that is not quite there either due to the T2 being considered separate from T3 requirement.

Er, what do you mean by that? 

As far as I can tell, we're selecting the same observations:

> teste[kp,]
   ID Group  Var
1   3    T2 0.32
2   4    T3 1.59
3   1    T2 2.94
4   1    T2 3.23
5   1    T2 1.40
6   1    T2 1.62
7   1    T2 2.43
8   1    T2 2.53
9   1    T2 2.25
10  1    T3 1.66
11  1    T3 2.86
12  1    T3 0.53
13  1    T3 1.66
14  1    T3 3.24
15  1    T3 1.34
21  2    T2 2.00
22  2    T2 2.39
23  2    T2 1.65
24  2    T2 2.05
25  2    T2 2.75
26  2    T2 2.23
27  2    T2 1.39
28  2    T2 2.66
29  2    T2 1.05
30  2    T3 2.52


-- 
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com