Plot adjacency matrix heatmap — plotAdjacencyMatrix • PhysioAnalysis

Creates a heatmap visualization of an adjacency or connectivity matrix.

Usage

plotAdjacencyMatrix(
  adjacency,
  node_names = NULL,
  symmetric = TRUE,
  color_palette = "default",
  show_values = FALSE,
  title = "Connectivity Matrix"
)

Arguments

adjacency: An adjacency matrix or connectivity result.
node_names: Optional vector of node names.
symmetric: If TRUE, only shows lower triangle.
color_palette: Color palette: "default", "viridis", "heat", or custom.
show_values: If TRUE, displays values in cells.
title: Plot title.

Value

A ggplot object.

Examples

set.seed(123)
adj <- matrix(runif(16), 4, 4)
adj <- (adj + t(adj)) / 2
diag(adj) <- 1
plotAdjacencyMatrix(adj, node_names = c("Fz", "Cz", "Pz", "Oz"))