Figure 13 | Scientific Reports

Figure 13

From: From mobile phone data to the spatial structure of cities

Figure 13

Time evolution of the ratio for two hotspots definitions and different sizes of grid cells, for eight different cities of very different sizes.

The cities chosen cover the full range of the poulation size distribtion of the set of the 31 cities studied. Every reasonable method for defining hotspots would give a value between the two lines of each plot. One can see that qualitatively pattern stays identical whatever the grid size for couple (city, method). This figure was created with R.

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