Granger causality analysis of deviation in total electron content during geomagnetic storms in the equatorial region

Journal of Engineering and Applied Science

Table 5 Johansen cointegration rank test results for DTEC and Dst for the Hyderabad location

S.No	Storm date	Trace test statistic with 5% significance level for DTEC and Dst pair				Maximum eigenvalue test statistic with 5% significance level for DTEC and Dst pair
S.No	Storm date	Rank r_0	Rank r_1	Test statistic	Critical value	Rank r_0	Rank r_1	Test statistic	Critical value
1	01-03-2015	0	2	29.21	18.40	0	1	22.41	17.15
1	01-03-2015	1	2	6.798	3.841	1	2	6.798	3.841
2.	02-3-2015	0	2	29.21	18.40	0	1	22.41	17.15
2.	02-3-2015	1	2	6.798	3.841	1	2	6.798	3.841
3	17-03-2015	0	2	25.73	18.41	0	1	21.99	17.15
3	17-03-2015	1	2	3.736*	3.841	1	2	3.736*	3.841
4	19-03-2015	0	2	23.72	18.40	0	1	19.33	17.15
4	19-03-2015	1	2	4.385	3.841	1	2	4.385	3.841
5	21-03-2015	0	2	30.29	18.40	0	1	22.60	17.15
5	21-03-2015	1	2	7.693	3.841	1	2	7.693	3.841
6	22-03-2015	0	2	22.22	18.40	0	1	17.22	17.15
6	22-03-2015	1	2	4.993	3.841	1	2	4.993	3.841
7	16-04-2015	0	2	18.44	18.40	0	1	13.41	17.15
7	16-04-2015	1	2	5.032	3.841
8	22-06-2015	0	2	38.15	18.40	0	1	34.55	17.15
8	22-06-2015	1	2	3.610*	3.841	1	2	3.610*	3.841
9	23-06-2015	0	2	16.84	18.40	0	1	10.35	17.15
10	20-12-2015	0	2	33.79	18.40	0	1	22.92	17.15
10	20-12-2015	1	2	10.87	3.841	1	2	10.87	3.841
11	21-12-2015	0	2	49.49	18.40	0	1	37.95	18.40
11	21-12-2015	1	2	11.54	3.841	1	2	11.54	3.841
12	31-12-2015	0	2	26.34	18.40	0	1	21.27	17.15
12	31-12-2015	1	2	5.066	3.841	1	2	5.066	3.841