Regression

coefficient

Standard

error

t value

p value

Intercept

6.609 × 10−15

2.676 × 10−2

0

1

Number of through service train lines

9.174 × 10−2

4.255 × 10−2

2.156

3.1298 × 10−2

Length of through service sections

0.1210

4.446 × 10−2

2.722

6.587 × 10−3

Transportation capacity for each train during peak hours

0.1449

4.284 × 10−2

3.382

7.43 × 10−4

Number of stairs and escalators in terminal stations

6.732 × 10−2

3.989 × 10−2

1.686

9.1761 × 10−2

Number of trains according to type

−6.319 × 10−2

3.242 × 10−2

−1.989

5.1538 × 10−2

Number of connecting operation stations

−0.1336

7.039 × 10−2

−1.897

5.8024 × 10−2

Length of lines with connecting operation

0.2755

7.618 × 10−2

3.617

3.11 × 10−4