变量

样本数

均值

标准差

最小值

最大值

Innovation

1680

0.233

0.287

0.002

1

Index

1680

2.645

0.712

1.151

4.319

Coverage

1680

2.420

0.737

0.741

3.970

Usage

1680

2.628

0.821

1.073

4.887

Digiti

1680

3.417

0.669

2.179

4.622

SA

1680

0.597

0.307

0.004

2.137

roa

1680

3.867

8.581

−112.5

67.54

lev

1680

42.01

19.78

2.766

229.0

mf

1680

0.083

0.140

0.007

3.149

ind

1680

38.01

6.352

18.18

80

pdgp

1680

11.00

0.419

10.00

12.01

is

1680

0.408

0.075

0.160

0.558

fd

1680

11.00

0.419

10.00

12.01