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

Journal of Engineering and Applied Science

Table 6 Johansen cointegration rank test results for DTEC and AE pair for the Hyderabad 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	35.75	18.40	0	1	30.45	17.15
1	01-03-2015	1	2	5.301	3.841	1	2	5.301	3.841
2.	02-3-2015	0	2	35.75	18.40	0	1	30.45	17.15
2.	02-3-2015	1	2	5.301	3.841	1	2	5.301	3.841
3	17-03-2015	0	2	30.01	18.41	0	1	26.65	17.15
3	17-03-2015	1	2	3.362	3.841	1	2	3.362	3.841
4	19-03-2015	0	2	29.55	18.40	0	2	21.99	17.15
4	19-03-2015	1	2	7.557	3.841	1	2	7.557	3.841
5	21-03-2015	0	2	35.16	18.40	0	1	30.65	17.15
5	21-03-2015	1	2	4.515	3.841	1	2	4.515	3.841
6	22-03-2015	0	2	21.55	18.40	0	1	15.34*	17.15
6	22-03-2015	1	2	6.213	3.841
7	16-04-2015	0	2	26.35	18.40	0	1	13.80*	17.15
7	16-04-2015	1	2	12.56	3.841				3.841
8	22-06-2015	0	2	12.45*	18.40	0	1	12.38*	17.15
9	23-06-2015	0	2	42.24	18.40	0	1	37.78	17.15
9	23-06-2015	1	2	4.460	3.841	1	2	4.460	3.841
10	20-12-2015	0	2	37.79	18.40	0	2	28.62	17.15
10	20-12-2015	1	2	9.172	3.841	1	2	9.172	3.841
11	21-12-2015	0	2	40.89	18.40	0	1	32.40	18.40
11	21-12-2015	1	2	8.488	3.841	1	2	8.488	3.841
12	31-12-2015	0	2	23.15	18.40	0	2	13.67	17.15
12	31-12-2015	1	2	9.476	3.841