Exploring the Spatial Impact of Multisource Data on Urban Vitality: A Causal Machine Learning Method

Table 6

Results of comparison with previous work.

Research name	Research area	Research variables	Methods	Relationships
[27]	Yangtze River Delta region	Economy	Principal component analysis	Correlation
[28]	174 European cities	Public green space	Data envelopment analysis technique	Correlation
Yue et al.,2019 [30]	Wuhan	Street centrality	Spatial regression models	Correlation
Sung et al.,2019 [13]	Seoul	Walking activity	Multilevel regression models	Correlation
Lu S et al.,2019 [25]	Beijing and Chengdu	Social media check-in data	Regression model	Correlation
Our research	Shanghai	Multisource data	Causal machine learning	Causality