Prediction of Radix Astragali Immunomodulatory Effect of CD80 Expression from Chromatograms by Quantitative Pattern-Activity Relationship

Table 3

The actual CD80 activity (Act.) and the predicted values (Pred.) of the test set predicted by PLS and EN-PLS.

Number	Act	PLS			EN-PLS
		Pred.	REP	PRESS	Pred.	REP	PRESS
1	108.33	100.04	−8.29	68.72	95.66	−12.67	160.53
2	105.95	109.26	3.31	10.96	101.16	−4.79	22.94
3	107.54	121.08	13.54	183.33	150.84	43.30	1874.89
4	100.00	95.54	−4.46	19.89	110.57	10.57	111.72
5	100.79	94.68	−6.11	37.33	97.03	−3.76	14.14
6	89.68	103.86	14.18	201.07	101.68	12.00	144.00
7	91.27	105.41	14.14	199.94	87.64	−3.63	13.18
8	85.32	121.30	35.98	1294.56	103.43	18.11	327.97
9	101.87	85.91	−15.96	254.72	104.86	2.99	8.94
10	102.25	111.26	9.01	81.18	104.34	2.09	4.37
11	108.61	96.89	−11.72	137.36	112.05	3.44	11.83
12	116.10	102.6	−13.50	182.25	107.22	−8.88	78.85
13	91.76	96.31	4.55	20.70	90.37	−1.39	1.93
14	92.13	99.56	7.43	55.20	100.61	8.48	71.91
15	82.83	82.06	−0.77	0.59	86.56	3.73	13.91
16	82.53	85.69	3.16	9.99	82.04	−0.49	0.24
17	115.58	120.84	5.26	27.67	122.50	6.92	47.89
18	120.29	115.73	−4.56	20.79	125.46	5.17	26.73
19	135.14	126.63	−8.51	72.42	136.89	1.75	3.06
20	126.45	110.55	−15.90	252.81	121.62	−4.83	23.33
21	122.46	104.37	−18.09	327.25	116.8	−5.66	32.04
22	121.38	129.29	7.91	62.57	113.11	−8.27	68.39
23	119.20	122.39	3.19	10.18	133.17	13.97	195.16
24	102.41	120.91	18.50	342.25	99.67	−2.74	7.51

REP = relative error of prediction = (calculated value-measured value)/measured value.
PRESS = predicted error sum of square for test set = .