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. 2019 Feb 14;14(2):e0212412. doi: 10.1371/journal.pone.0212412

Fig 4. Projected spot position deviation histograms.

Fig 4

The systematic and random components of the error (Eqs 1 and 2) are shown on log-linear histograms. Spots subject to regular tolerances (a) are separated from those governed by expanded tolerances (b).