有效协变量平衡倾向得分的奇异性问题与改进方法

马键, 胡毅, 汪寿阳

The singularity problem of the efficient covariate balancing propensity score and its solutions

Jian MA, Yi HU, Shouyang WANG

系统工程理论与实践 . 2026, (3): 1304 -1323 . DOI: 10.12011/SETP2024-1608