### Name: head
### Title: Return the First or Last Part of an Object
### Aliases: head head.default head.data.frame head.function head.ftable
###   head.table head.matrix tail tail.default tail.data.frame
###   tail.function tail.ftable tail.table tail.matrix
### Keywords: manip

### ** Examples

head(letters)
head(letters, n = -6L)

head(freeny.x, n = 10L)
head(freeny.y)

tail(letters)
tail(letters, n = -6L)

tail(freeny.x)
tail(freeny.y)

tail(library)

head(stats::ftable(Titanic))