Displaying 2 results from an estimated 2 matches for "studid".
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studio
2003 Jun 19
2
Fitting particular repeated measures model with lme()
...imulated data structure in which students are nested within
teachers, and with each student are associated two test scores. There
are 20 classrooms and 25 students per classroom, for a total of 500
students and two scores per student. Here are the first 10 lines of
my dataframe "d":
studid tchid Y time
1 1 1 -1.0833222 0
2 1 1 -0.7656281 1
3 2 1 -1.0198641 0
4 2 1 0.7808148 1
5 3 1 -1.1381721 0
6 3 1 -0.4395021 1
7 4 1 -2.0944685 0
8 4 1 -1.8746840 1
9 5 1 -0.77...
2002 Jul 19
2
Plotting a section of a dendrogram
> I have performed clustering analysis with hclust (Ward's method) on a
> database of 800 samples. As you may imagine the full dendrogram is not
> really readable. I have obtained groups with cutree. I would like to
plot
> sub-sections of my big dendrogram to show group 1, group 2 and so on.
I don't think R has anything like subtree in Splus, unfortunately. I
think what has