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

Journal of Engineering and Applied Science

Table 4 Johansen cointegration rank test results for DTEC and AE pair for the Bangalore location

S.No	Storm date	Test using trace test statistic with 5% significance level for DTEC and AE pair				Test using maximum eigenvalue test statistic with 5% significance level for DTEC and AE 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	39.07	18.40	0	1	34.22	17.15
1	01-03-2015	1	2	4.858	3.841	1	2	4.858	3.841
2.	02-3-2015	0	2	39.07	18.40	0	1	34.22	17.15
2.	02-3-2015	1	2	4.858	3.841	1	2	4.858	3.841
3	17-03-2015	0	2	34.69	18.40	0	1	34.22	17.15
3	17-03-2015	1	2	6.621	3.841	1	2	4.858	3.841
4	19-03-2015	0	2	12.78*	18.40	0	1	9.302*	17.15
5	21-03-2015	0	2	31.42	18.40	0	1	26.67	17.15
5	21-03-2015	1	2	4.748	3.841	1	2	4.748	3.841
6	22-03-2015	0	2	30.17	18.40	0	1	19.20	17.15
6	22-03-2015	1	2	10.97	3.841	1	2	10.97	3.841
7	16-04-2015	0	2	6.939*	18.40	0	1	6.160*	17.15
8	22-06-2015	0	2	6.939*	18.40	0	2	6.939*	17.15
9	23-06-2015	0	2	46.34	18.40	0	1	37.29	17.15
9	23-06-2015	1	2	9.050	3.841	1	2	9.050	3.841
10	20-12-2015	0	2	36.56	18.40	0	1	27.67	17.15
10	20-12-2015	1	2	8.888	3.841	1	2	8.888	3.841
11	21-12-2015	0	2	41.27	18.40	0	1	28.24	18.40
11	21-12-2015	1	2	13.03	3.841	1	2	13.03	3.841
12	31-12-2015	0	2	32.77	18.40	0	1	20.14	17.15
12	31-12-2015	1	2	12.63	3.841	1	2	12.63	3.841