An Implementation of Z-Curves R package zcurve version 2.4.6 An implementation of z-curves - a method for estimating expected discovery and replicability rates on the bases of test-statistics of published studies. The package provides functions for fitting the density, EM, and censored EM version (Bartoš & Schimmack, 2022, <doi:10.15626/MP.2021.2720>; Schimmack & Bartoš, 2023, <doi: 10.1371/journal.pone.0290084>), as well as the original density z-curve (Brunner & Schimmack, 2020, <doi:10.15626/MP.2018.874>). Furthermore, the package provides summarizing and plotting functions for the fitted z-curve objects. See the aforementioned articles for more information about the z-curves, expected discovery and replicability rates, validation studies, and limitations. Software Imports: Rcpp (>= 1.0.2), nleqslv, stats, evmix, graphics, ggplot2, Rdpack, rlang LinkingTo: Rcpp Suggests: parallel, spelling, testthat, vdiffr František Bartoš <f.bartos96@gmail.com> Comprehensive R Archive Network (CRAN) František Bartoš [aut, cre], Ulrich Schimmack [aut] GPL-3 2026-01-21 application/tgz https://CRAN.R-project.org/package=zcurve doi:10.32614/CRAN.package.zcurve en-US