Chemometrics-Enabled Raman Spectrometric Qualitative Determination and Assessment of Biochemical Alterations during Early Prostate Cancer Proliferation in Model Tissue

Figure 4

Scree plots showing eigenvalues explained as a function of the number of principal components for (a) stage 1, (b) stage 2, and (c) stage 3 datasets. For the sake of clarity, only the first 50 principal components are shown.

(a)

(b)

(c)