Table 2 Accident - factor matrix (partial).

From: Research on cause analysis and management of coal mine safety risk based on social network and bow-tie model

factor

accident

1

2

3

4

5

6

7

8

9

10

X1

1

1

1

1

1

1

0

0

0

0

X2

0

0

0

0

1

0

1

1

1

0

X3

0

0

0

0

0

1

1

0

0

1

X4

0

0

1

0

0

1

0

1

0

0

X5

0

0

1

0

1

0

1

0

0

0

X6

0

0

1

0

1

0

1

0

0

1

X7

1

0

0

0

0

1

0

1

0

0

X8

0

0

1

0

1

1

0

1

0

0

X9

0

0

1

0

1

1

1

0

0

1

X10

0

0

0

0

1

1

0

0

0

0

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