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. 2013 Aug 9;110(35):14324–14329. doi: 10.1073/pnas.1311839110

Fig. 4.

Fig. 4.

Distribution of exon inclusion/exclusion patterns across all cell types. Optimized k-means clustering of 4,321 flagged exons across the ImmGen cell types partitioned exon distributions into 28 clusters. Inclusion/exclusion ratios (exon/gene expression ratios) are shown (Dataset S4 has a full listing). Clusters 25–28 (1,447 exons, 33.5% of exons considered) did not follow any strong or reproducible pattern, reflecting unique, rare patterns or noise.