3、所有的PPT和DOC文档都被视为“模板”,允许上传人保留章节、目录结构的情况下删减部份的内容;下载前须认真查看,确认无误后再购买;4、文档大部份都是可以预览的,金锄头文库作为内容存储提供商,无法对各卖家所售文档的真实性、完整性、准确性以及专业性等问题提供审核和保证,请慎重购买;5、文档的总页数、文档格式...
(2004). "Introduction to Propensity Score Matching: A New Device for Program Evaluation." http://sswnt5.sowo.unc.edu/VRC!Lectures/PSM SSWR 2004.ppt.Guo S, Barth R, Gibbons C. Introduction to Propensity Score Matching: A New Device for Program Evaluation. Paper presented at the Annual ...
Regarding assessment of the propensity score model: the goal of matching is to create balance between the treated an untreated on the relevant covariates. You can do this either by trying various propensity score models and matching algorithms that yield balance or by attempting t...
The incidence of postoperative complication seemed to be lower in the laparoscopic group (6.7%) compared with that in the open group (11.8%) before matching. On the basis of propensity score-matched analysis, the complication rates we...