Description Usage Details Examples
Same as df, but Value is a data.frame, not a list.
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Come df, ma value e' un data.frame e non una list
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | ##---- Should be DIRECTLY executable !! ----
##-- ==> Define data, use random,
##-- or do help(data=index) for the standard data sets.
## The function is currently defined as
function (...)
{
rr = by(...)
attr(rr, "class") = "list"
rr = data.frame(rr)
rr = t(rr)
if (!is.null(list(...)$INDICES)) {
rownames(rr) = unique(list(...)$INDICES)
}
else rownames(rr) = unique(list(...)[[2]])
rr
}
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