Cost Estimation Model Using Modified Parameters for Construction Projects

Table 3

Data grouping by influential factors (e.g., 84 m² group).

Unit size (A)	84 m^2
Building type (B)	Flat					Tower
Units/floor (C)	2		4			4			4			5
Cores (D)	1		2			1			1			1
Pilotis (E)	2 (2)	1 (2)	2 (2)	2 (4)	1 (4)	2 (2)	2 (4)	1 (4)	2 (2)	2 (4)	1 (4)	2 (2)	2 (4)	1 (5)
Parameter (independent variables)			Grouping			Grouping

Pilotis (E): the number of pilotis floors (the number of units excepted by pilotis).