On Mar 14, 2009, at 5:14 PM, David Kaplan wrote:
Greetings all,
I have two questions. I have a data set that is arranged in the
example below. I wish to obtain a plot of the performance of each
ID over Year 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
?xyplot
?formula
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
?reshape
# or
require(reshape)
?cast
Is there a straightforward way to do this in R?
Thanks in advance,
David
-
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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