Hi all,
Is it possible to test mediation effects with a censored outcome
variable using the 'mediation' package?
While on p. 1f. of Imai, Keele, Tingley and Yamamoto (2011) the tobit
model is mentioned for use with 'mediate', Table 1 (p. 8) shows that
tobit via vglm cannot be used to estimate causal mediation effects.
Also help(mediate) does not mention 'vglm' class objects as possible
arguments of 'mediate'.
So, is calculating mediation effects using 'mediate' with vglm-tobit
models possible at all?
Thanks in advance,
Niklaus
---
Imai, K., Keele, L., Tingley, D., & Yamamoto, T. (2011). Causal
mediation analysis using R.
http://www.polisci.ohio-state.edu/faculty/lkeele/mediationIII.pdf
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