First Part of an Object

Description

Returns the first elements of a vector, the first rows of matrix, etc.

Usage

head(x, ...)
head.default(x, n=6)
head.data.frame(x, n=6)

Arguments

x an object
n size for the resulting object, number of elements for a vector, components for a list, rows for a matrix or data frame, lines for a function.

Details

For matrices and data frames, the first`n' rows are returned. For functions, the first lines of the deparsed function are returned as character strings.

Value

an object (usually) like x but generally smaller.

Author

Patrick Burns

See Also

tail, corner.

Examples

data(freeny) # R command, not for S-PLUS
head(freeny.x, n=10)
head(freeny.y)