Subset genes, set factor reference level, and optionally pseudobulk
.preprocess_sce_for_de(...)sce a SingleCellExperiment object
Other differential gene expression:
.filter_sce_genes_for_de(),
.generate_model_from_vars(),
.perform_de_with_mast(),
perform_de(),
pseudobulk_sce(),
report_de(),
volcano_plot()