Modelling Residential Building Costs in New Zealand: A Time-Series Transfer Function Approach

Figure 4

(a) ACF of the noise residuals of the ARIMA model for HBC1; (b) ACF of the noise residuals of the ARIMA model for HBC2; (c) ACF of the noise residuals of the ARIMA model for HBC3.

(a)

(b)

(c)