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. Author manuscript; available in PMC: 2023 Sep 29.
Published in final edited form as: Appl Spectrosc. 2021 Oct 21;76(1):105–117. doi: 10.1177/00037028211050961

Figure 5.

Figure 5.

Histogram of the intensity value distributions for three different cases of BSA concentrations shown in different columns. Rows correspond to various methods, namely, (a) SWAH, (b) DWAB with the best subset, (c) SDA, all without any MNF correction, and (d) SWAH case with MNF correction. Gaussian fits for theoretical blank and sample distributions, and cumulative predicted distribution is projected on the empirical data. Increased standard deviation in the sample distributions is caused by within spot concentration irregularities.