Table 2 A statistical summary of the collected dataset

Type of variable

Variables

Total number of observations

The percentage of ones

The percentage of zeros

Maximum

Minimum

Binary

Engine

92

41.3

58.7

1

0

Transmission

92

17.4

82.6

1

0

Hydraulics

92

14.1

85.9

1

0

Body & Chassis

92

43.5

56.5

1

0

Gearbox

92

8.7

91.3

1

0

Severity

92

33.7

66.3

1

0

Continuous

Variables

Total number of observations

Mean

Standard deviation

Maximum

Minimum

Time to failures (TTFs) (hour)

92

58.6

51.5

225

14

Temperature (°C)

92

8.7

8.7

22.5

-6.5