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. Author manuscript; available in PMC: 2017 Mar 14.
Published in final edited form as: Toxicol Lett. 2016 Jan 21;245:68–77. doi: 10.1016/j.toxlet.2016.01.012

Figure 2. Principle Component Analysis (PCA) of probabilistic cancer risk estimates under dry weight (A) and per mg nicotine basis (B).

Figure 2

Two dimentional PCA of probabilistic cancer risk estimate from eight carcinogens (benzo[a]pyrene, cadmium, Formaldehyde, NDMA, NNN, NNK, NAB, and lead). x axis, first principal component 1; y axis, second principal component 2. The ellipses are 95% confidence limits of each group.