Regression

coefficient

Standard

error

t value

p value

Intercept

−7.301 × 10−15

1.569 × 10−2

0

1

Length of train lines

0.1310

3.038 × 10−2

4.313

1.66 × 10−5

Number of connecting operation stations

8.809 × 10−2

2.822 × 10−2

3.121

0.00182

Length of lines with connecting operation

7.644 × 10−2

3.547 × 10−2

2.155

0.03125

Number of operating trains per hour during peak hours

−0.1066

2.727 × 10−2

−3.908

9.49 × 10−5

Number of transported passengers per hour during peak hours

0.1809

2.828 × 10−2

6.396

1.80 × 10−10

Number of trains according to type

−8.957 × 10−2

2.541 × 10−2

−3.524

0.00043

Average number of tracks

3.357 × 10−2

1.916 × 10−2

1.752

0.07986

Number of connecting operation stations

−0.1422

4.499 × 10−2

−3.160

0.00159

Length of lines with connecting operation

0.2248

4.564 × 10−2

4.926

8.77 × 10−7