Forecasting Exchange Rate of Pakistan Using Time Series Analysis

Table 6

Residual diagnostic test of ARIMA (1, 1, 1) for USD/PKR series.

Lags	ACF	PACF	Q-stat	Probability
1.	−0.000	−0.000	0.0002	0
2.	0.001	0.001	0.0009	0
3.	0.013	0.013	0.2095	0.647
4.	0.031	0.031	1.3707	0.504
5.	0.005	0.005	1.4010	0.705
6.	−0.014	−0.014	1.6254	0.804
7.	0.024	0.023	2.3276	0.802
8.	0.018	0.017	2.7021	0.845
9.	0.025	0.025	3.4624	0.839
10.	−0.046	−0.046	6.0455	0.642
11.	−0.039	−0.041	7.8773	0.547
12.	0.023	0.021	8.5009	0.580
13.	−0.006	−0.006	8.5458	0.664
14.	−0.084	−0.081	17.23	0.141
15.	0.052	0.055	20.583	0.082
16.	0.017	0.014	20.930	0.103
17.	−0.018	−0.017	21.339	0.126
18.	−0.001	0.006	21.342	0.166
19.	−0.007	−0.007	21.399	0.209
20.	0.013	0.009	21.594	0.250
21.	0.002	0.004	21.598	0.305
22.	−0.011	−0.010	21.740	0.355
23.	−0.036	−0.034	23.338	0.326
24.	0.048	0.038	26.220	0.242
25.	0.030	0.029	27.348	0.241
26.	−0.073	−0.063	33.938	0.086
27.	−0.027	−0.030	34.827	0.091
28.	0.041	0.032	36.869	0.077
29.	0.037	0.046	38.598	0.069
30.	0.024	0.030	39.294	0.076
31.	0.038	0.037	41.083	0.068
32.	0.005	0.000	41.116	0.085
33.	0.015	0.007	41.414	0.100
34.	0.052	0.057	44.764	0.066
35.	−0.028	−0.022	45.726	0.069
36.	0.055	0.045	49.538	0.041