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. Author manuscript; available in PMC: 2014 Oct 15.
Published in final edited form as: Chemometr Intell Lab Syst. 2013 Jul 27;128:9–16. doi: 10.1016/j.chemolab.2013.07.007

Table 4.

R2 for the log10 fit of the five synthetic urine samples for four different data normalization methods.

Synthetic
urine
sample
NN QN NTI NIS
1 0.62 0.38 0.64 0.62
2 0.63 0.41 0.57 0.60
3 0.57 0.16 0.56 0.61
4 0.67 0.37 0.61 0.64
5 0.68 0.43 0.62 0.66