Table 4. Open in new tab Regression...

Table 4.

Regression results for small-amplitude FDs and related solar-terrestrial parameters at APTY (87 FDs), MOSC (115 FDs), NWRK (122 FDs) and OULU (113 FDs) stations. ‘S/N’ stand for the serial number, ‘Parameter’ represent each of the two continuous variables, R² indicates the coefficient of determination (that proportion of the dependent variable that is predicated from the independent variable), r indicates the correlation coefficient and p_values represent chance probability. Note that ‘***’, ‘**’, ‘*’ and ‘.’ respectively stand for 99.9, 99, 95, and 90% level of significance.

S/N	Parameter	R²	r	p_values
1	FD_APTY-IMF	0.03	0.16	0.14
2	FD_APTY-SWS	0.01	0.09	0.38
3	FD_APTY-Dst	0.03	0.18	0.09
4	FD_APTY-ap	0.01	0.12	0.29
5	FD_MOSC-IMF	0.004	−0.06	0.50
6	FD_MOSC-SWS	0.02	- 0.15	0.1^.
7	FD_MOSC-Dst	0.005	0.07	0.47
8	FD_MOSC-ap	0.007	- 0.08	0.37
9	FD_NWRK-IMF	0.02	−0.12	0.17
10	FD_NWRK-SWS	0.03	−0.18	0.052^.
11	FD_NWRK-Dst	0.07	0.26	0.004**
12	FD_NWRK-ap	0.05	−0.23	0.01*
13	FD_OULU-IMF	0.05	−0.21	0.022*
14	FD_OULU-SWS	0.05	−0.23	0.016*
15	FD_OULU-Dst	0.06	0.24	0.011*
16	FD_OULU-ap	0.09	−0.29	0.002*

S/N	Parameter	R²	r	p_values
1	FD_APTY-IMF	0.03	0.16	0.14
2	FD_APTY-SWS	0.01	0.09	0.38
3	FD_APTY-Dst	0.03	0.18	0.09
4	FD_APTY-ap	0.01	0.12	0.29
5	FD_MOSC-IMF	0.004	−0.06	0.50
6	FD_MOSC-SWS	0.02	- 0.15	0.1^.
7	FD_MOSC-Dst	0.005	0.07	0.47
8	FD_MOSC-ap	0.007	- 0.08	0.37
9	FD_NWRK-IMF	0.02	−0.12	0.17
10	FD_NWRK-SWS	0.03	−0.18	0.052^.
11	FD_NWRK-Dst	0.07	0.26	0.004**
12	FD_NWRK-ap	0.05	−0.23	0.01*
13	FD_OULU-IMF	0.05	−0.21	0.022*
14	FD_OULU-SWS	0.05	−0.23	0.016*
15	FD_OULU-Dst	0.06	0.24	0.011*
16	FD_OULU-ap	0.09	−0.29	0.002*

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