Complexity / 2019 / Article / Fig 7

Research Article

Public Procurement Announcements in Spain: Regulations, Data Analysis, and Award Price Estimator Using Machine Learning

Figure 7

Relationship between trees in random forests and error metrics (MdAPE, MAPE, OBB, and NRMSE) for different ratios of training and testing subsets. (a) 65 : 35. (b) 70 : 30. (c) 75 : 25. (d) 80 : 20. (e) 85 : 15. (f) 90 : 10.
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