Request USDA MPR Historical Data via the 'LMR' API R package usdampr version 1.0.1 CRAN Task View: Agriculture (https://CRAN.R-project.org/view=Agriculture) Interface to easily access data via the United States Department of Agriculture (USDA)'s Livestock Mandatory Reporting ('LMR') Data API at <https://mpr.datamart.ams.usda.gov/>. The downloaded data can be saved for later off-line use. Also provide relevant information and metadata for each of the input variables needed for sending the data inquiry. Software Depends: R (>= 3.6.0) Imports: httr (>= 1.4.1), jsonlite (>= 1.6), dplyr (>= 0.8.3), tidyr (>= 1.0.0), utils (>= 3.6.1) Bowen Chen <bwchen0719@gmail.com> Comprehensive R Archive Network (CRAN) Bowen Chen [aut, cre] (ORCID: <https://orcid.org/0000-0003-0370-2756>), Elliott Dennis [aut] GPL (>= 2) 2021-03-03 application/tgz https://CRAN.R-project.org/package=usdampr doi:10.32614/CRAN.package.usdampr