<?xml version="1.0" encoding="UTF-8"?>
<oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:title>Estimation Methods for Gravity Models</dc:title>
  <dc:title>R package gravity version 1.1</dc:title>
  <dc:subject>CRAN Task View: Econometrics (https://CRAN.R-project.org/view=Econometrics)</dc:subject>
  <dc:description>A wrapper of different standard estimation methods for gravity models. 
  This package provides estimation methods for log-log models and multiplicative models.</dc:description>
  <dc:type>Software</dc:type>
  <dc:relation>Depends: R(&gt;= 3.4.0)</dc:relation>
  <dc:relation>Imports: lmtest, sandwich, glm2, MASS, stats, censReg, survival,
multiwayvcov, tibble, magrittr, dplyr, tidyr, purrr, rlang,
Rdpack, utils</dc:relation>
  <dc:relation>Suggests: knitr, rmarkdown, testthat, broom</dc:relation>
  <dc:creator>Mauricio Vargas &lt;m.sepulveda@mail.utoronto.ca&gt;</dc:creator>
  <dc:publisher>Comprehensive R Archive Network (CRAN)</dc:publisher>
  <dc:contributor>Anna-Lena Woelwer [aut, cph],
  Jan Pablo Burgard [aut, cph],
  Joshua Kunst [aut, cph],
  Mauricio Vargas [aut, cre, cph] (ORCID:
    &lt;https://orcid.org/0000-0003-1017-7574&gt;),
  Romain Francois [ctb] (adapted parts of the code to use dplyr 0.8.0),
  Lionel Henry [ctb] (simplified parts of the code),
  Sarah Johnson [ctb] (improved the double demeaning function),
  Hrisyana Doytchinova [rev] (sent us different suggestions and bug
    reports)</dc:contributor>
  <dc:rights>Apache License (&gt;= 2)</dc:rights>
  <dc:date>2023-05-02</dc:date>
  <dc:format>application/tgz</dc:format>
  <dc:identifier>https://CRAN.R-project.org/package=gravity</dc:identifier>
  <dc:identifier>doi:10.32614/CRAN.package.gravity</dc:identifier>
</oai_dc:dc>
