Table 3 General statistical characteristics of the data.
From: Prediction of rock type from physical and mechanical properties by data mining implementations
Variable | Number of data | Number of missing data | Mean | Standard Deviation | Variance | Minimum | Maximum |
|---|---|---|---|---|---|---|---|
UVW | 92 | 0 | 2.6316 | 0.1403 | 0.0197 | 2.1000 | 2.7600 |
WA | 92 | 0 | 0.5391 | 0.8011 | 0.6417 | 0.0500 | 4.9000 |
AP | 92 | 0 | 1.293 | 1.771 | 3.138 | 0.140 | 10.380 |
UCS | 92 | 0 | 73.21 | 23.78 | 565.68 | 28.68 | 138.40 |
TS | 92 | 0 | 6.758 | 1.788 | 3.196 | 2.600 | 11.450 |
PL | 53 | 39 | 4.098 | 2.080 | 4.326 | 1.800 | 8.500 |
E | 73 | 19 | 16.981 | 5.415 | 29.323 | 5.700 | 30.560 |
SH | 92 | 0 | 50.895 | 9.315 | 86.777 | 23.200 | 67.000 |
BSA | 72 | 20 | 20.138 | 7.823 | 61.201 | 6.840 | 38.520 |
