Plot Marker Heatmap — plot_heatmap • phenoscapR

Displays a heatmap of mean marker intensities per phenotype.

Usage

plot_heatmap(dt, markers = NULL, title = NULL)

Arguments

dt: A data.table with marker columns and a phenotype column.
markers: Character vector or NULL. Markers to include. If NULL, all marker columns are used.
title: Character string or NULL. Plot title.

Value

A ggplot object.

Examples

dt <- data.table::data.table(
  sample_id = "s1", cell_id = 1:60,
  x = runif(60), y = runif(60),
  CD3 = c(rnorm(30, 1), rnorm(30, 0)),
  CD8 = c(rnorm(30, 0), rnorm(30, 1)),
  phenotype = rep(c("CD3+", "CD8+"), each = 30)
)
plot_heatmap(dt)