From: Dogs are sensitive to small variations of the Earth’s magnetic field
Variable | All records 20:01–08:00 | Quiet MF 20:01–08:00 | All records 08:01–12:00 | Quiet MF 08:01–12:00 | All records 12:01–16:00 | Quiet MF 12:01–16:00 | All records 16:01–20:00 | Quiet MF 16:01–20:00 |
---|---|---|---|---|---|---|---|---|
Number of observations | 442 | 173 | 599 | 188 | 396 | 109 | 455 | 144 |
Mean vector (μ) | 157°/337° | 177°/357° | 152°/332° | 178°/358° | 12°/192° | 170°/350° | 147°/327° | 173°/353° |
Length of mean vector (r) | 0.042 | 0.239 | 0.073 | 0.2 | 0.074 | 0.26 | 0.088 | 0.176 |
Circular standard deviation | 72° | 48° | 65° | 51° | 65° | 47° | 63° | 53° |
95% Confidence interval (-/+) for μ | 112°-202° | 165°-190° | 130°-174° | 163°-192° | 345°-39° | 155°-184° | 126°-168° | 155°-192° |
99% Confidence interval (-/+) for μ | 98°-217° | 161°-193° | 123°-181° | 159°-106° | 337°-48° | 151°-189° | 119°-175° | 149°-198° |
Rayleigh test (Z) | 0.769 | 9.866 | 3.17 | 7.533 | 2.145 | 7.367 | 3.54 | 4.474 |
Rayleigh test (p) | 0.463 | 0.000052 | 0.042 | 0.000535 | 0.117 | 0.000632 | 0.029 | 0.011 |