create_sparse: Create sparse matrix from triplet of coordinates and value

In kylebutts/kfbmisc: Collection of Functions that I Find Useful

Create sparse matrix from triplet of coordinates and value

Description

Create sparse matrix from triplet of coordinates and value

Usage

create_sparse(i, j, x = 1)

Arguments

i	A vector of row membership
j	A vector of column membership
x	A vector of the entries that should go in (i, j)

Value

A sparse matrix of class dgCMatrix from the Matrix package

Examples

i <- sample(letters, 10, replace = TRUE)
j <- sample(1:100, 10, replace = TRUE)
create_sparse(i, j)

kylebutts/kfbmisc documentation built on April 17, 2025, 5:20 p.m.