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Fig. 1 | BMC Medical Genomics

Fig. 1

From: Classifying cancer genome aberrations by their mutually exclusive effects on transcription

Fig. 1

Principal component plots illustrating the relationship between cancer type and gene-expression levels. Values for the first two principal components are shown. Each point represents data across all genes for a given tumor sample. The colors and legend indicate the cancer type of each tumor sample. a Distinct, tissue-specific patterns were present in the original data. b After a regression-based adjustment for cell-type effects, these patterns were no longer prominent in the data. Cancer type abbreviations are listed on the TCGA web site

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