Research Article
Temporal Variation Measure Analysis: An Improved Second-Order Difference Plot
Table 2
The means and standard deviations of ETV in the quadrant I, II, III, and IV.
| Quadrant | nsr2db | cudb | mitdb | szdb | shareedb |
| I | 118.57 ± 35.39 | 4.10 ± 1.20 | 6.78 ± 2.41 | 16.11 ± 5.58 | 277.13 ± 120.81 | II | 78.29 ± 29.63 | 1.10 ± 0.54 | 3.80 ± 1.98 | 9.52 ± 4.72 | 227.19 ± 103.56 | III | 118.30 ± 36.02 | 1.15 ± 1.04 | 4.63 ± 3.05 | 13.83 ± 5.22 | 279.79 ± 124.76 | IV | 77.68 ± 29.45 | 1.44 ± 0.78 | 3.78 ± 1.67 | 10.32 ± 4.78 | 228.19 ± 104.31 |
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