gdata (version 2.16.1)

left: Return the leftmost or rightmost columns of a matrix or dataframe

Description

Return the leftmost or rightmost or columns of a matrix or dataframe

Usage

right(x, n = 6)
left(x, n=6)

Arguments

x

Matrix or dataframe

n

Number of columns to return

Value

• An object consisting of the leftmost or rightmost n columns of x.

See Also

first, last, head, tail

Examples

m <- matrix( 1:100, ncol=10 )
 colnames(m) <- paste("Col",1:10, sep="_")
 left(m)
 right(m)

 d <- as.data.frame(m)
 left(d)
 right(d)