search for: class_cnt

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2011 Sep 27
1
Counting similar rows
...c4", "c5")), .Names = c("subject", "class")), class = c("xtabs", "table"), call = xtabs(formula = ~subject + class, data = ia)) I want a count of subjects that match the same classes in subject_cnt and a count of the number of classes in class_cnt The result of this example should be: structure(list(subject_cnt = c(2L, 1L, 1L), class_cnt = c(3L, 2L, 3L), c1 = c(1L, 1L, 0L), c2 = c(0L, 1L, 0L), c3 = c(1L, 0L, 1L), c4 = c(0L, 0L, 1L), c5 = c(1L, 0L, 1L)), .Names = c("subject_cnt", "class_cnt", "c1", "c2&q...