balnet：协变量平衡倾向分数的路径估计
balnet: Pathwise Estimation of Covariate Balancing Propensity Scores
AI总结：
balnet通过逻辑协变量平衡损失函数实现可扩展的路径估计，支持弹性网求解器及非光滑惩罚项，用于空间像素级平衡构建合成控制权重。
摘要：
balnet通过逻辑协变量平衡损失函数实现可扩展的路径估计，支持弹性网求解器及非光滑惩罚项，用于空间像素级平衡构建合成控制权重。
英文摘要：
We present balnet, an R package for scalable pathwise estimation of covariate balancing propensity scores via logistic covariate balancing loss functions. Regularization paths are computed with Yang and Hastie (2024)'s generic elastic net solver, supporting convex losses with non-smooth penalties, as well as group penalties and feature-specific penalty factors. For lasso penalization, balnet computes a regularization path of balancing weights from the largest observed covariate imbalance to a user-specified fraction of this maximum. We illustrate the method with an application to spatial pixel-level balancing for constructing synthetic control weights for the average treatment effect on the treated, using satellite data on wildfires.
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