to_matrix_tsv: Write the Item Matrix TSV

In vennDiagramLab: Headless Venn Diagram Analysis and Rendering

Write the Item Matrix TSV

Description

Mirrors the React webapp's "Export Matrix" button + Python's 'RegionResult.to_matrix_tsv()' byte-for-byte.

Usage

to_matrix_tsv(result, path)

## S4 method for signature 'RegionResult'
to_matrix_tsv(result, path)

Arguments

result	A ['RegionResult-class'].
path	Destination file path.

Details

Columns: Item, <SetName1>, <SetName2>, ..., Region. Rows: one per item. Iteration order: mask 1..(2^n - 1); within each mask, items in 'dataset@item_order'.

Value

Invisibly returns 'path'.

Examples

ds <- methods::new("VennDataset",
    set_names = c("A", "B"),
    items = list(A = c("x", "y"), B = c("y", "z")),
    item_order = c("x", "y", "z"),
    universe_size = 10L, source_path = NULL, format = "csv")
result <- analyze(ds)
to_matrix_tsv(result, tempfile(fileext = ".tsv"))

result <- analyze(load_sample("dataset_real_cancer_drivers_4"))
to_matrix_tsv(result, tempfile(fileext = ".tsv"))

vennDiagramLab documentation built on May 19, 2026, 1:07 a.m.