ANN Based Approach for Estimation of Construction Costs of Sports Fields

Table 2

General relationship between the three categorical variables and cost (source: own study).

Location of a facility	Type of the playing field surface	Quality standard of the playing field’s surface	Cost
Urban area, big cities	Artificial grass	High demands	Higher
Urban area, medium cities		Moderate demands
Urban area, small cities	Natural grass		Lower
Outside the urban area, villages		Low demands