head(letters, n=3)
headtail(letters, n=3)
head(letters, n=-10)
headtail(letters, n=-10) # doesn't make sense for headtail
head(freeny.x, n=3)
headtail(freeny.x, n=3)
head(freeny.y, n=3)
headtail(freeny.y, n=3)
head(library, n=3)
headtail(library, n=3)
headtail(library)
ftable(Titanic)
head(stats::ftable(Titanic), n=4)
headtail(stats::ftable(Titanic), n=4)
head(table(sample(1:9, 30, TRUE)), n=3)
headtail(table(sample(1:9, 30, TRUE)), n=3)
head(table(state.division, state.region), n=3)
headtail(table(state.division, state.region), n=3)
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