psmatch2.ado pscore.ado nnmatch.ado 上述主要介绍了如何获得PSM相关的命令,本文主要介绍如何使用pscore、psmatch2以及Stata官方的PSM命令Teffects。 2 语法格式 pscore 语法格式为: pscoretreatmentvarlist[weight][if exp][in range], pscore( newvar) [blockid(newvar) detail logit comsup level(#) nu...
teffects psmatch (outcome) (treatment covariates) 在这种情况下,基本命令是: teffects psmatch (y) (t x1 x2) 但是,teffects 的默认行为与 psmatch2 不同,因此我们需要使用一些选项来获得相同的结果。 首先,psmatch2 默认报告对处理对象的平均处理效果(称为 ATT)。默认情况下,teffects 命令报告平均处理效果 ...
See Methods and formulas of [TE] teffects nnmatch for the methods and formulas used by teffects nnmatch and teffects psmatch. teffects aipw — Augmented inverse-probability weighting 11 Methods and formulas are presented under the following headings: Parameters and notation Overview of EE estimators...
1. My first question is regarding the comparability of teffects psmatch and psmatch2. I have been unable to successfully replicate psmatch2 results using teffects. The two seemingly identical commands yield very different treatment effect estimates. -teffects- gives me an estimate of 730.38, but ...