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Table 1 The variables used to describe each instance in the studied dataset.

From: Accurate High Performance Concrete Prediction with an Alignment-Based Genetic Programming System

ID

Name (unit measure)

Minimum

Maximum

Average

Median

Standard deviation

X0

Cement (kg/m3)

102.0

540.0

281.2

272.9

104.5

X1

Fly ash (kg/m3)

0.0

359.4

73.9

22.0

86.3

X2

Blast furnace slag (kg/m3)

0.0

200.1

54.2

0.0

64.0

X3

Water (kg/m3)

121.8

247.0

181.6

185.0

21.4

X4

Superplasticizer (kg/m3)

0.0

32.2

6.2

6.4

6.0

X5

Coarse aggregate (kg/m3)

801.0

1145.0

972.9

968.0

77.8

X6

Fine aggregate (kg/m3)

594.0

992.6

773.6

779.5

80.2

X7

Age of testing (days)

1.0

365.0

45.7

28.0

63.2

  1. For each variable minimum, maximum, a kg/m3 average, median and standard deviation values are reported.