A bottom up model to estimate the emission levels of public transport systems based on General Transit Feed Specification (GTFS) data. The package requires two main inputs: i) Public transport data in the GTFS standard format; and ii) Some basic information on fleet characteristics such as fleet age, technology, fuel and Euro stage. As it stands, the package estimates several pollutants at high spatial and temporal resolutions. Pollution levels can be calculated for specific transport routes, trips, time of the day or for the transport system as a whole. The output with emission estimates can be extracted in different formats, supporting analysis on how emission levels vary across space, time and by fleet characteristics. A full description of the methods used in the 'gtfs2emis' model is presented in Vieira, J. P. B.; Pereira, R. H. M.; Andrade, P. R. (2022) <doi:10.31219/osf.io/8m2cy>.
Version: 0.1.1 Depends: R (≥ 3.6) Imports: checkmate, data.table, furrr, future, gtfs2gps, methods, sf (≥ 0.9-0), sfheaders, terra, units Suggests: gtfstools, ggplot2, knitr, lwgeom, progressr, rmarkdown, testthat (≥ 2.1.0) Published: 2024-12-02 DOI: 10.32614/CRAN.package.gtfs2emis Author: Joao Bazzo [aut, cre], Rafael H. M. Pereira [aut], Pedro R. Andrade [aut], Sergio Ibarra-Espinosa [ctb], Ipea - Institute for Applied Economic Research [cph, fnd] Maintainer: Joao Bazzo <joao.bazzo at gmail.com> BugReports: https://github.com/ipeaGIT/gtfs2emis/issues License: MIT + file LICENSE URL: https://ipeagit.github.io/gtfs2emis/ , https://github.com/ipeaGIT/gtfs2emis NeedsCompilation: no Citation: gtfs2emis citation info Materials: README, NEWS CRAN checks: gtfs2emis results Documentation: Downloads: Linking:Please use the canonical form https://CRAN.R-project.org/package=gtfs2emis to link to this page.
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