Jean: Thanks!
Works great!
Lars
Op 27 sep. 2011 (w39), om 17:22 heeft Jean V Adams [via R] het volgende
geschreven:
df <- as.data.frame(unclass(xt))
dfu <- unique(df)
class_cnt <- apply(dfu, 1, sum)
subject_cnt <- tabulate(match(apply(df, 1, paste, collapse="-"),
apply(dfu, 1, paste, collapse="-")))
data.frame(subject_cnt, class_cnt, dfu)
--
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