6.25 
5.00 d,= 0.80208 
b,= 1.5161 
bo = 0.55205 
3:75 62= 1.0359 
= 
0.00 0.06 0.12 0.19 0.25 0.31 0.37 0.44 0.50 
70 
Fig. 5.40b. Estimated by ARMA model fitting as optimum, ARMA(1.2). 
1.25 
Fig. 5.40c. Estimated by nonparametric method. 
Fig. 5.40. (Continued) 
174 
