请问偏最小二乘回归出来的系数怎么检验啊?我用sas做的部分结果如下结果,大家评价一下,望不吝赐教,谢谢!
The PLS Procedure
Percent Variation Accounted for
by Partial Least Squares Factors
Number of
Extracted
Model Effects
Dependent Variables
Factors
Current
Total
Current
Total
1
24.4647
24.4647
9.3958
9.3958
2
18.1820
42.6466
0.7027
10.0985
3
10.5029
53.1495
0.1192
10.2177
4
16.1022
69.2517
0.0026
10.2203
The PLS Procedure
Test Set Validation for the Number of Extracted Factors
Number of
Root
Extracted
Mean
Prob >
Factors
PRESS
PRESS
0
0.999003
0.0050
1
0.950914
0.1290
2
0.947219
0.3410
3
0.946591
0.4670
4
0.946577
0.5080
5
0.946577
0.4810
6
0.946577
1.0000
Minimum root mean PRESS
0.9466
Minimizing number of factors
6
Smallest number of factors with p > 0.1
1
The PLS Procedure
Percent Variation Accounted for
by Partial Least Squares Factors
Number of
Extracted
Model Effects
Dependent Variables
Factors
Current
Total
Current
Total
1
24.4647
24.4647
9.3958
9.3958