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. Author manuscript; available in PMC: 2017 Mar 16.
Published in final edited form as: ACS Chem Neurosci. 2016 Jan 27;7(3):349–359. doi: 10.1021/acschemneuro.5b00302

Figure 5.

Figure 5

Results of F-test comparing models with subject-specific or global parameters for eq 7 for concatenated training sets. (A) Cumulative histogram showing the number of PCR models, built from concatenated training sets of two single-subject training sets, containing a given number of principal components or greater (frequency). The black portion of the bars corresponds to the number of principal components that were found to have subject-specific parameters preferred over global parameters (F-test, α = 0.05) for relating scores on that principal component and the dopamine (left) or pH (right) concentrations. (B) As in (A) but using concatenated training sets from three subjects. (C) As in (A) but using concatenated training sets from four subjects. (D) As in (A) but using concatenated training sets from five subjects.