Journal of Spectroscopy / 2017 / Article / Fig 6

Research Article

Rancidity Estimation of Perilla Seed Oil by Using Near-Infrared Spectroscopy and Multivariate Analysis Techniques

Figure 6

Prediction results of PLSR models for acid and peroxide values from the highest 2 values. (a) Acid value with range normalization (). (b) Acid value with MSC preprocessed. (c) Peroxide value with raw data. (d) Peroxide value with maximum normalization.

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