Fig. 4From: Expression analysis of RNA sequencing data from human neural and glial cell lines depends on technical replication and normalization methodsPrincipal component analyses (PCA) for log2 transformed data (a), RPKM-normalized data (b), TMM normalized data (c) and UQS normalized data (d) depict the effect of normalization on sample grouping by cell line (Green, hNSC; Violet, NHA)Back to article page