Jeffrey Sonis1, Tammy Jiang2

  • 1Department of Social Medicine, University of North Carolina at Chapel Hill.

概括

定向非循环图 (DAG) 可视化表示数据中的因果结构. 本研究解释了DAG如何帮助创伤研究人员识别因果关系,避免偏见,提高研究有效性.

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