Table 2 Selection of variables.

From: Spatial correlation networks characteristics and influence mechanisms of the resilience of Beijing–Tianjin–Hebei urban agglomeration: a complex network perspective

 

Indicator

Abbreviation

Measurement

Dependent variable

Resilience spatial correlation network

UR

BTHUA resilience spatial correlation matrix

Independent variable

Geographic distance

GD

Euclidean distance between cities based on ArcGIS software

Level of economic development

ED

Per capita GDP

Degree of openness to the outside world

OOW

Actual amount of foreign capital utilised

Technological innovation capability

TN

Number of patent applications authorised

Urbanisation degree

UD

Construction area of building projects

Infrastructure service level

ISL

Total urban water supply volume

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