All,
Sorry for overly simplistic question, but I can't seem to remember how to
create the basic plot shown in Figure 1.1 of Pinheiro & Bates (2004; p.4).
The y-axis delineates a factor (Rail) while the x-axis displays the
distribution of a continuous variable (time) according to each level of the
factor. Didn't see it in archives but perhaps I'm not searching on correct
key words, any help appreciated,
David
> library("nlme")
> Rail
Grouped Data: travel ~ 1 | Rail
Rail travel
1 1 55
2 1 53
3 1 54
4 2 26
5 2 37
6 2 32
7 3 78
8 3 91
9 3 85
10 4 92
11 4 100
12 4 96
13 5 49
14 5 51
15 5 50
16 6 80
17 6 85
18 6 83
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