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 |