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Table 4 The relative improvements of the two versions of CGM with respect to the radiation and gravity models

From: Modeling international mobility using roaming cell phone traces during COVID-19 pandemic

  

Radiation

Gravity Pow.

Gravity Exp.

Incoming

CGM Exp.

126.91%

57.13%

11.50%

CGM Pow.

118.87%

51.56%

7.55%

Outgoing

CGM Exp.

6.54%

60.89%

63.90%

CGM Pow.

0.73%

51.01%

53.76%