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Table 1 Descriptive statistics of variables used in modelling

From: Comparative Analysis of Gradient-Boosting Ensembles for Estimation of Compressive Strength of Quaternary Blend Concrete

Stat

Compressive strength (MPa)

Cement (comp. 1) (kg/m3)

GGBS (comp. 2) (kg/m3)

Fly Ash

(comp. 3) (kg/m3)

Water (comp. 4) (kg/m3)

SP

(comp. 5) (kg/m3)

Coarse Aggregate

(comp. 6) (kg/m3)

Fine Aggregate

(comp. 7) (kg/m3)

Age (day)

Count

1030

1030

1030

1030

1030

1030

1030

1030

1030

Mean

35.81796

281.1679

73.89583

54.18835

181.5673

6.20466

972.9189

773.5805

45.66

Std.

16.70574

104.5064

86.27934

63.997

21.35422

5.973841

77.75395

80.17598

63.17

Min.

2.33

102

0

0

121.8

0

801

594

1

25%

23.71

192.375

0

0

164.9

0

932

730.95

7

50%

34.445

272.9

22

0

185

6.4

968

779.5

28

75%

46.135

350

142.95

118.3

192

10.2

1029.4

824

56

Max.

82.6

540

359.4

200.1

247

32.2

1145

992.6

365