Heatmap of top DE genes — plot_heatmap_de • coMMpass

Creates a heatmap of the top differentially expressed genes using z-score scaled expression values.

Usage

plot_heatmap_de(
  expr_matrix,
  de_results,
  n_genes = 50L,
  annotation_df = NULL,
  title = "Top DE Genes"
)

Arguments

expr_matrix: Numeric matrix of transformed expression (genes x samples)
de_results: Data frame with DE results (rownames = gene IDs)
n_genes: Number of top DE genes to show (default 50)
annotation_df: Optional data frame of sample annotations for column annotation
title: Plot title

Value

A ggplot2 object (tile-based heatmap)

See also

Other differential-expression: compute_pca(), plot_ma(), plot_pca(), plot_volcano(), run_deseq2(), run_vst(), summarize_de_methods()