|   变量名  |       样本  |       均值  |       中位数  |       标准差  |       最小值  |       最大值  |    
|   rwar  |       410  |       0.6327  |       0.6334  |       0.0765  |       0.2454  |       0.7807  |    
|   nplr  |       410  |       0.0132  |       0.0132  |       0.0043  |       0.0033  |       0.0290  |    
|   lnz  |       410  |       −2.8706  |       −2.8750  |       0.7948  |       −6.3857  |       −0.8636  |    
|   cepu  |       410  |       3.9010  |       3.6435  |       2.2874  |       1.1390  |       7.9187  |    
|   m2r  |       410  |       0.1086  |       0.1055  |       0.0215  |       0.0808  |       0.1439  |    
|   gdpr  |       410  |       0.0671  |       0.0695  |       0.0164  |       0.0220  |       0.0840  |    
|   FSD  |       410  |       0.6201  |       0.6406  |       0.1406  |       0.4032  |       0.7971  |    
|   LASSET  |       410  |       27.6164  |       27.3853  |       1.7392  |       24.6564  |       31.1913  |    
|   LD  |       410  |       0.7245  |       0.7179  |       0.1449  |       0.2643  |       1.1623  |    
|   ROA  |       410  |       0.0097  |       0.0027  |       0.0024  |       0.0042  |       0.0178  |    
|   CAP  |       410  |       0.1340  |       0.1340  |       0.0163  |       0.0884  |       0.1894  |    
|   pcr  |       410  |       2.5883  |       2.3621  |       0.9264  |       1.3244  |       6.1593  |