. Author manuscript; available in PMC: 2019 Aug 12.

Published in final edited form as: Spectrochim Acta A Mol Biomol Spectrosc. 2014 Nov 4;136(Pt C):1974–1981. doi: 10.1016/j.saa.2014.10.120

Table 2.

Different statistics used to determine number of factors (protein components) based on SVD.

No. factors	log10(eig)	log10(REV)	RSD	RMS	chiR	RPV

1	3.490	−0.980	0.376	0.091	3189.795	7.305
2	2.369	−2.090	0.074	0.018	124.265	0.285
3	0.575	−3.873	0.058	0.014	75.005	0.172
4	0.446	−3.990	0.041	0.010	38.414	0.088
5^a	−0.008	−4.434	0.034	0.008	25.602	0.059
6	−0.173	−4.585	0.027	0.007	16.802	0.038
7	−0.562	−4.962	0.024	0.006	13.212	0.030
8	−0.681	−5.067	0.022	0.005	10.478	0.024
9	−0.833	−5.207	0.019	0.005	8.555	0.020
10	3.490	−0.980	0.376	0.091	3189.795	7.305

Optimum number of factors.