Marginal Mediation Effects with Zero-Inflated Compositional Mediator R package MarZIC version 1.0.1 A way to estimate and test marginal mediation effects for zero-inflated compositional mediators. Estimates of Natural Indirect Effect (NIE), Natural Direct Effect (NDE) of each taxon, as well as their standard errors and confident intervals, were provided as outputs. Zeros will not be imputed during analysis. See Wu et al. (2022) <doi:10.3390/genes13061049>. Software Imports: Rcpp (>= 1.0.9), NlcOptim, betareg, doParallel, foreach, pracma, mathjaxr, dirmult, stats, parallel LinkingTo: Rcpp, RcppArmadillo Suggests: knitr, rmarkdown, RUnit, BiocGenerics, BiocStyle Zhigang Li <lzg2151@gmail.com> Comprehensive R Archive Network (CRAN) Quran Wu [aut], Zhigang Li [aut, cre] GPL-2 2025-05-24 application/tgz https://CRAN.R-project.org/package=MarZIC doi:10.32614/CRAN.package.MarZIC