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11月
1990-2022年全球网格化人均GDP(PPP)降尺度数据集:高精度社会经济 ...
研究人员针对全球现有GDP数据集空间分辨率低、时间范围有限的问题,开发了首个覆盖1990-2022年的admin 2级(43,501个单元)人均GDP(PPP)降尺度数据集。通过机器学习算法(R2=0.80)整合89国2,708个行政单元数据,实现Pearson R=0.88的预测精度,为气候变化风险评估 ...
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