# -------------------------------------------- # CITATION file created with {cffr} R package # See also: https://docs.ropensci.org/cffr/ # -------------------------------------------- cff-version: 1.2.0 message: 'To cite package "metafrontier" in publications use:' type: software license: GPL-3.0-or-later title: 'metafrontier: Analysis of Metafrontier Models for Efficiency and Productivity' version: 0.2.2 identifiers: - type: doi value: 10.32614/CRAN.package.metafrontier abstract: Implements metafrontier production function models for estimating technical efficiencies and technology gaps for firms operating under different technologies. Supports both stochastic frontier analysis (SFA) and data envelopment analysis (DEA) based metafrontiers. Includes the deterministic metafrontier of Battese, Rao, and O'Donnell (2004) , the stochastic metafrontier of Huang, Huang, and Liu (2014) , and the metafrontier Malmquist productivity index of O'Donnell, Rao, and Battese (2008) . Additional features include panel SFA with time-varying inefficiency, bootstrap confidence intervals for technology gap ratios, latent class metafrontier estimation via the EM algorithm, Murphy-Topel corrected standard errors, and 'ggplot2' visualisation methods. authors: - family-names: Enstad given-names: Erik email: erik.enstad@nhh.no orcid: https://orcid.org/0009-0006-1053-3849 preferred-citation: type: manual title: 'metafrontier: Analysis of Metafrontier Models for Efficiency and Productivity' authors: - family-names: Enstad given-names: Erik orcid: https://orcid.org/0009-0006-1053-3849 email: erik.enstad@nhh.no year: '2026' notes: R package version 0.2.1 url: https://github.com/iik1/metafrontier repository: https://iik1.r-universe.dev repository-code: https://github.com/iik1/metafrontier commit: 59f490de55f77a149647d603e553624c7e0677a3 url: https://github.com/iik1/metafrontier date-released: '2026-04-14' contact: - family-names: Enstad given-names: Erik email: erik.enstad@nhh.no orcid: https://orcid.org/0009-0006-1053-3849