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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: | 0.1.0 |
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: | 2022-11-14 |
DOI: | 10.32614/CRAN.package.gtfs2emis |
Author: | Joao Bazzo |
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 |
Reference manual: | gtfs2emis.pdf |
Vignettes: |
Exploring Emission Factors Preparing fleet data for gtfs2emis Getting started |
Package source: | gtfs2emis_0.1.0.tar.gz |
Windows binaries: | r-devel: gtfs2emis_0.1.0.zip, r-release: gtfs2emis_0.1.0.zip, r-oldrel: gtfs2emis_0.1.0.zip |
macOS binaries: | r-release (arm64): gtfs2emis_0.1.0.tgz, r-oldrel (arm64): gtfs2emis_0.1.0.tgz, r-release (x86_64): gtfs2emis_0.1.0.tgz, r-oldrel (x86_64): gtfs2emis_0.1.0.tgz |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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