jlview_named_matrix: Create a zero-copy R view of a named Julia matrix

In jlview: Zero-Copy Julia to R Array Bridge via ALTREP

Create a zero-copy R view of a named Julia matrix

Description

Creates a zero-copy ALTREP view of a Julia NamedArray matrix, preserving row and column names as dimnames.

Usage

jlview_named_matrix(julia_named_matrix)

Arguments

julia_named_matrix

A JuliaObject referencing a Julia NamedArray matrix

Value

An ALTREP matrix with dimnames set from the Julia NamedArray

Examples

## Not run: 
JuliaCall::julia_setup()
JuliaCall::julia_command("using NamedArrays")
m <- JuliaCall::julia_eval('NamedArray(randn(3,2), (["a","b","c"], ["x","y"]))')
x <- jlview_named_matrix(m)
rownames(x) # returns c("a", "b", "c")
colnames(x) # returns c("x", "y")

## End(Not run)

jlview documentation built on March 24, 2026, 1:07 a.m.