Fig. 7From: A Poisson reduced-rank regression model for association mapping in sequencing dataPRRR factors identify subgroups of cell types. a shows each cell type’s loading onto each of the five latent factors in the \(\mathbf {U}\) matrix. b shows a gene set enrichment analysis of the gene loadings onto factors 2 and 4 in the \(\mathbf {V}\) matrixBack to article page