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fishz
2005 Sep 21
1
Extending a data frame
Dear all,
all data I am talking about can be found at
<http://www.metaanalyse.de/tmp/test.dat>.
The R-code is located at <http://www.metaanalyse.de/tmp/test.R>
I'd like to plot the frequencies for status against year.
Typing table(tmp$year) it can be simple seen that some years are
missing, e.g. 1975-1978, 1981 etc.
Using xyplot to display the data I do not like the fact