Crude Oil Source Identification of Asphalt via ATR-FTIR Approach Combined with Multivariate Statistical Analysis

Table 4

The Kolmogorov–Smirnov test of a single sample.

Statistical indicators	2920 cm^−1	2850 cm^−1	1700 cm^−1	1600 cm^−1	1460 cm^−1	1380 cm^−1	1166 cm^−1	1032 cm^−1	969 cm^−1	872 cm^−1	812 cm^−1	723 cm^−1
Number of samples	33	33	33	33	33	33	33	33	33	33	33	33
Kolmogorov–Smirnov	1.14	0.77	0.68	1.33	0.99	0.75	1.30	0.98	1.08	1.35	1.14	0.86
Asymptotically significant (bilateral)	0.15	0.59	0.73	0.06	0.27	0.63	0.07	0.28	0.19	0.05	0.14	0.43