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

<div>Relationship between trees in random forests (number of estimators) and error metrics (MdAPE, MAPE, OBB, and NRMSE) for two functions to measure the quality of a split. (a) The quality function is mean squared error (MSE). (b) The quality function is mean absolute error (MAE).</div>

Complexity

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Figure 6

Figure 6: Public Procurement Announcements in Spain: Regulations, Data Analysis, and Award Price Estimator Using Machine Learning 