Table 5.1. Results of estimation by model fitting — [l]. 
Readings Estimated as 
Process ARMA (n,m) a Optimum 
AR (0) 0 0 
Estimated Equivalent 
R (N) 
ARMA (0,0) 
AR (1) 
A1.2 — 0.50933 
1.04646 
2 
— 0.54156 
+ 0.81838 
1.04702 
ARMA (0,1) | 2 
AR (2) 
ARMA (0,2) 
ARMA (2,1) | 
[Process (1)] 
a, — 0.35801 
aa— 0.64448 
+ 0.40130 a; — 0.45424 
a,— 0.34915 
— 0.73968 as— 0.10554 
ag— 0.11502 
o2: 1.03419 
ARMA (2,1) 
ARMA (2,1) 2 
NOT 
1 \ OPTIMUM 
0.34559 
0.41494 
0.69856 
[Process (2)] 
a, 1.00947 
a, — 1.08338 
0.09614 
a4— 0.50333 
a; 0.40894 
as — 0.30626 
a, 0.17930 
a; — 0.09768 
a3 
(OPTIMUM) 
0.20995 
0.30378 
0.15392 
0.80692 
1.0440 
ARMA (2,1) o2: 1.04911 
158 
