Figure 2 | Scientific Reports

Figure 2

From: Soft and Robust Identification of Body Fluid Using Fourier Transform Infrared Spectroscopy and Chemometric Strategies for Forensic Analysis

Figure 2

Five-class PLS-DA modeling for the ATR FT-IR spectra of fresh BFs. (a) A three-dimensional dot plot of the PLS-DA scores for the ATR FT-IR spectra of five BF types, peripheral blood (pink), saliva (blue), semen (light green), urine (yellow) and sweat (light purple), calculated by the five-class PLS-DA model for fresh BFs. (b) Weight loading vectors corresponding to the first three LVs in the five-class PLS-DA model.

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