ANN Based Approach for Estimation of Construction Costs of Sports Fields

Table 3

Significance of correlations between the variables (source: own study).

Preselected cost predictors	Is the correlation between the dependent variable, total cost of construction works, and independent variable significant for value  < 0.05?	Variable’s symbol (for accepted variables only)
Playing area of the sports field	Yes
Location of the sports ground	No	-
Number of sport functions	No	-
Type of the playing field surface	Yes
Quality standard of the playing field’s surface	Yes
Ball stop net’s surface	Yes
Arranged area for communication	Yes
Fencing length	Yes
Arranged greenery area	Yes