Table 6 Statistical summary and normalization range of input and output variables.

From: Prediction of rapid chloride permeability using silica fume, fly ash, GGBS and micro fibers based geopolymer concrete

Variables

Unit

Minimum

Maximum

Mean

Stand. deviation

Normalization range

FA

% by binder

20

60

38.5

11.2

0–1

GGBS

% by binder

20

70

42.8

13.6

0–1

SF

% by binder

0

15

7.2

3.4

0–1

MF

% by volume

0

2.0

1.1

0.5

0–1

RCPT values

C

700

4000

2130

650

0–1