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1983
2009 Mar 14
3
plotting question
...ear
on v1. It's not clear how I set this up?
ID Year V1
1 1980 1
1 1981 2
1 1982 6
1 1983 4
2 1980 5
2 1981 5
2 1982 5
2 1983 6
Also,I would like to transpose the data to have the variable across the
columns such as
ID v1980 v1981 v1982 v1983
1 1 2 6 4
2 5 5 5 6
Is there a straightforward way to do this in R?
Thanks in advance,
David
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David Kaplan, Ph.D.
Professor
Department of Educational Psychology
University of Wiscon...