变量名称 | 样本量 | 平均值 | 标准差 | 最小值 | 最大值 |
Input | 1930 | 0.045 | 0.0320 | 0.000 | 0.300 |
Subsidy | 1930 | 0.006 | 0.006 | 0.000 | 0.115 |
Tax | 1930 | 0.010 | 0.008 | 0.0003 | 0.092 |
Size | 1930 | 22.030 | 1.1600 | 19.550 | 28.220 |
Lev | 1930 | 0.345 | 0.164 | 0.027 | 0.787 |
Age | 1930 | 12.280 | 6.555 | 1.000 | 33.000 |
Roe | 1930 | 0.096 | 0.064 | 0.006 | 0.620 |