[R] Frequency-Table on Group Level - Multi Level Analysis
Kunzler, Andreas
a.kunzler at bzaek.de
Mon Jul 14 12:16:36 CEST 2008
Hello everybody,
I've a multi-level structured data.frame.
I = Individual Level (factor)
G = Group Level (factor)
SW= Software (factor)
I G SW
1 1 A
2 1 A
3 2 B
Im looking for a frequncy-talbe of the used software on the group level.
In this case the result has to be:
A = 0.5
B = 0.5
Is there an easy way to do things like this or do I have to read myself
into Multi-Level Analysis?
Thank you
Frequencey
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