Table 2 Statistics of the concrete pile database.

From: Prediction of time-dependent bearing capacity of concrete pile in cohesive soil using optimized relevance vector machine and long short-term memory models

Particulars

L

D

Qi

T

Su

PI

qv

Qu

Category

Input

Input

Input

Input

Input

Input

Input

Output

Units

m

M

kPa

Days

kPa

%

kPa

kPa

Mean

31.18

0.55

442.89

11.14

86.04

35.79

200.49

785.01

SE

1.40

0.01

32.97

2.43

4.38

0.30

7.78

60.18

Median

23.45

0.61

341.00

2.00

70.14

35.00

175.72

586.50

StD

15.75

0.16

370.13

27.24

49.22

3.37

87.30

675.57

Variance

248.08

0.02

136,993.56

742.14

2422.21

11.37

7621.78

456,400.45

Kurtosis

−0.79

−0.68

3.75

33.10

5.69

1.20

−0.69

7.17

Skewness

0.79

−0.33

1.85

5.36

2.48

0.75

0.70

2.46

Minimum

12.00

0.24

45.00

0.03

22.65

30.00

82.30

152.40

Maximum

64.00

0.91

1771.00

216.00

282.49

45.00

384.05

3960.00

CL

2.78

0.03

65.26

4.80

8.68

0.59

15.39

119.11

  1. *CL is the confidence level at 95%, SE is the standard error, and StD is the standard deviation.