Displaying 1 result from an estimated 1 matches for "tp3847051p3847051".
2011 Sep 27
1
Counting similar rows
...quot;), class = "data.frame", row.names
= c(NA,
-3L))
How can I achieve this in R, without complicated loops?
PS. Note that the number of classes and subjects are in real quite big.
Cheers,
Lars
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