你的看rd的帮助啊
你需要设置cutoff点在哪里
比如随便设置一个cutoff在
. rd si d, gr mbw(100) z0()
Two variables specified; treatment is
assumed to jump from zero to one at Z=.
Assignment variable Z is d
Treatment variable X_T unspecified
Outcome variable y is si
Command used for graph: lpoly; Kernel used: triangle (default)
Bandwidth: 3.2440542; loc Wald Estimate: -.07042401
Estimating for bandwidth 3.244054189399042
------------------------------------------------------------------------------
si | Coef. Std. Err. z P>|z| [95% Conf. Interval]
-------------+----------------------------------------------------------------
lwald | -.070424 .1794914 -0.39 0.695 -.4222207 .2813727
------------------------------------------------------------------------------
