Research Article
Developing an Integrative Data Intelligence Model for Construction Cost Estimation
Table 2
Descriptive measures of the cost data for the testing phase.
| | Minimum | Maximum | Mean | Median | Std. deviation | Skewness | Kurtosis |
| Ground floor area (m2) | 239 | 3940 | 1490 | 1394 | 882.414 | 0.991 | 0.713 | Total floor area (m2) | 344 | 9800 | 4086 | 3840 | 2692.433 | 0.384 | −1.068 | Floor number | 1 | 6 | 3.222 | 3 | 1.625 | 0.483 | −1.089 | Elevator number | 0 | 4 | 1.37 | 1 | 1.182 | 0.501 | −0.936 | Footing type (raft = 1; separated = 2) | — | — | — | — | — | — | — | Inflation (%) | 0.1 | 7.5 | 3.319 | 2.1 | 2.674 | 0.297 | −1.474 | Duration (days) | 150 | 787 | 404.7 | 364 | 177.036 | 0.468 | −0.770 | Cost ($) | 160147 | 6104878 | 2571431 | 2215402 | 1940152 | 0.409 | −1.345 |
|
|