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. 2015 Aug 5;5:12957. doi: 10.1038/srep12957

Figure 4.

Figure 4

The posterior probabilities of in vivo Raman spectra belonging to (i) normal esophagus (n = 736), and (ii) ESCC (n = 202) of the training dataset (80% of the total dataset), using partial lease square-discriminant analysis and leave-one-patient out cross validation based on the FP, HW and the integrated FP/HW Raman techniques, respectively. (◯) normal; (▲) ESCC.