Table 3 Entropy weighting.

From: Investigating the relationship between built environment and urban vitality using big data

Term

Information entropy value e

Information utility valued

Weight (%)

NDVI

0.989

0.011

3.243

GDP

0.909

0.091

26.699

Population

0.858

0.142

41.784

Nighttime lighting

0.909

0.091

26.61

Baidu heat value

0.994

0.006

1.663