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Table 3 Directions of GWM during epidemic period

From: Spatiotemporal characteristics of pandemic influenza

Pandemic

Compass angle of resulting vector

Directional mean (Clockwise from due North)

Circular variance

Average X (km)

Average Y (km)

Average length of vector (km)

Russian

14

75

0.35

581

6751

109

Asian

29

61

0.30

534

6670

50

A(H1N1)pdm09

205

245

0.58

521

6640

59

  1. The table lists the compass angle of the resulting vector from the weekly movements of the GWM for the three pandemics, the mean direction of the individual vectors, their circular variance (Circular variances range from 0 to 1), the coordinates for the mean center and the average length of the weekly movements.
  2. Skog et al.