National Emergency Medical Service Quality Alliance Measure Calculations R package nemsqar version 1.2.1 Designed to automate the calculation of Emergency Medical Service (EMS) quality metrics, 'nemsqar' implements measures defined by the National EMS Quality Alliance (NEMSQA). By providing reliable, evidence-based quality assessments, the package supports EMS agencies, healthcare providers, and researchers in evaluating and improving patient outcomes. Users can find details on all approved NEMSQA measures at <https://www.nemsqa.org/measures>. Full technical specifications, including documentation and pseudocode used to develop 'nemsqar', are available on the NEMSQA website after creating a user profile at <https://www.nemsqa.org>. Software Depends: R (>= 4.1) Imports: cli (>= 3.6.6), dplyr (>= 1.2.1), glue (>= 1.8.1), hms (>= 1.1.4), lifecycle (>= 1.0.5), lubridate (>= 1.9.5), rlang (>= 1.2.0), stats, tibble (>= 3.3.1), tidyselect (>= 1.2.1), utils Suggests: knitr, rmarkdown, spelling, testthat (>= 3.0.0), tidyr Nicolas Foss <nicolas.foss@hhs.iowa.gov> Comprehensive R Archive Network (CRAN) Nicolas Foss [aut, cre], Samuel Kordik [aut] (ORCID: <https://orcid.org/0000-0003-4230-1154>), Alyssa Green [ctb], Iowa Department of Health and Human Services [cph] MIT + file LICENSE (https://CRAN.R-project.org/package=nemsqar/LICENSE) 2026-06-16 application/tgz https://CRAN.R-project.org/package=nemsqar doi:10.32614/CRAN.package.nemsqar en-US