matrix_extend {starsExtra}

Extend matrix

Description

Adds n rows and columns with NA values on all sides of a matrix.

Usage

matrix_extend(m, n = 1, fill = NA)

Arguments

m

A matrix

n

By how many rows/columns to extend the matrix on each side?

fill

Fill value (default is NA)

Value

An extended matrix

Examples

m = matrix(1:6, nrow = 2, ncol = 3)
m
matrix_extend(m, 1)
matrix_extend(m, 2)
matrix_extend(m, 3)