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. 2021 Jun 18;21(12):4178. doi: 10.3390/s21124178

Figure 6.

Figure 6

(a) PLS-predicted tartrazine mass ratio vs. the actual mass ratio (r2 = 0.98). (b) PLS-predicted turmeric mass ratio vs. the actual mass ratio (r2 = 0.98). The error bars depend on the weighing accuracy.