Application of Boosting Regression Trees to Preliminary Cost Estimation in Building Construction Projects

Table 4

Descriptive analysis of error rate estimation.

	MAERs	Std, deviation	Std, error	95% confidence interval; of the MAERs
				Lower	Upper
NN	6.045	3.192	0.583	2.542	4.291
BRT	5.800	3.980	0.727	3.170	5.351