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. Author manuscript; available in PMC: 2018 Nov 10.
Published in final edited form as: J Chromatogr A. 2017 Sep 9;1523:265–274. doi: 10.1016/j.chroma.2017.09.023

Figure 4. Principal component analysis of MMTT data before and after drift correction.

Figure 4

PCA 2D score plots illustrate prominent batch effects before correction (a) and elimination of most batch effects post-correction (b). Data before and after drift correction are projected onto the same principal component axes. Samples are colored by batch number (1-14).