Table 5 Standard deviation, maximum, minimum, and average amount of data.

From: Compressive strength of nano concrete materials under elevated temperatures using machine learning

Variables

Abbreviation

Minimum

Maximum

Average

Standard deviation

Input Variable

 

Temperature degree (C\(\:^\circ\:\))

Temp

200

800

529.33

198.84

Exposure time (hour)

Time

1

2

1.51

0.502

Nano alumina (%)

NAl

0

2

1.00

0.93

Carbon nanotubes (%)

CNTs

0

0.15

0.05

0.06

Output Variable

 

Residual Compressive Strength (kg/cm2)

RCS

40.69149

104.3379

85.25

17.29