spectacles (version 0.5-2-2)

big.head: Return the First or Last Part of an Object

Description

Return the First or Last Part of an Object

Usage

big.head(x, n = 5, l = 5, r = 5)

Arguments

x

a "data.frame" or a "matrix" object

n

a single, positive integer, number of rows for the object to return

l

a single, positive integer, the number of columns to include on the left

r

a single, positive integer, the number of columns to include on the right

Value

An object (usually) like 'x' but generally smaller.

Details

Returns the first or last rows of a data frame like head() and tail(), but also only returns the first and last columns. This has been implemented to check big data frames.

See Also

head, tail

Examples

# NOT RUN {
big.head(mtcars)
big.tail(mtcars)
big.tail(mtcars, 10)
big.head(mtcars, 10, 2, 4)
big.head(mtcars, , , 1)

data(australia)
big.head(australia)

# }