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Table 2 Evaluation of different pre-treatment methods for Mn contents in cottonseed meal

From: Determination of manganese content in cottonseed meal using near-infrared spectrometry and multivariate calibration

Pre-treatment

RMSE

R 2

Raw data

3.219 4

0.851 1

SNV

3.167 5

0.855 9

MSC

3.167 9

0.855 8

AN

3.141 9

0.858 2

FD

2.938 4

0.876 0

SD

4.156 0

0.751 9

TB

3.178 2

0.854 9

SG

3.223 7

0.850 7

ST

3.130 3

0.859 2

SG + FD

3.010 3

0.869 8

SNV + FD

2.901 8

0.879 0

SNV + SG

3.170 9

0.855 5

  1. SNV standard normal variate, MSC multiplicative scatter correction, AN area normalize, FD first derivatives, SD Second derivatives, TB transform baseline, SG Savitzky-Golay smoothing, ST spectroscopic transformation, RMSE root mean square error, R2 prediction coefficient of determination
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Journal of Cotton Research

ISSN: 2523-3254

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