组合

β_p

β_p的t值

R-squared

σ_P

1

1.032391

10.0086650

0.293

0.3128542

2

1.234947

12.2876494

0.385

0.30389752

3

1.011591

13.7052705

0.437

0.22386767

4

1.207439

13.5619541

0.432

0.27003297