Research Article
Neural Network-Based Model for Predicting Preliminary Construction Cost as Part of Cost Predicting System
Table 2
Minimal, maximal, mean value and standard deviation for the numerical variables (predictors and target).
| Continuous variables | Variable | Rows | Minimum | Maximum | Mean | Std. dev. |
| ln (planned costs, €) | 116 | 9.05358 | 18.36511 | 13.27770 | 2.06661 | ln (real costs, €) | 116 | 9.09459 | 18.51599 | 13.35837 | 2.11371 | ln (planned time, days) | 116 | 2.70805 | 6.81619 | 5.07076 | 1.04090 | ln (real time, days) | 116 | 2.70805 | 7.50934 | 5.14528 | 1.063 |
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