The paper maps rural household wealth across 30,667 Chinese townships by training a random forest on image-derived housing features and questionnaire wealth labels, reporting a ten-fold cross-validated correlation of 0.85.
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Beyond surveys: A High-Precision Wealth Inequality Mapping of China's Rural Households Derived from Satellite and Street View Imageries
The paper maps rural household wealth across 30,667 Chinese townships by training a random forest on image-derived housing features and questionnaire wealth labels, reporting a ten-fold cross-validated correlation of 0.85.