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RAQSAPI - A Simple Interface to the US EPA Air Quality System Data Mart API

Retrieve air monitoring data and associated metadata from the US Environmental Protection Agency's Air Quality System service using functions. See <https://aqs.epa.gov/aqsweb/documents/data_api.html> for details about the US EPA Data Mart API <doi:10.32614/CRAN.package.RAQSAPI>.

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united state environmental protection agencyenvironmental-data-retrievalair-quality-systemaqs-datamartair-monitoringenvironmental-monitoringairmonitoringaqsdatamartr03rprogrammingusepa

7.41 score 26 stars 70 scripts 546 downloads

logolink - An Interface for Running 'NetLogo' Simulations

An interface for 'NetLogo' <https://www.netlogo.org> that enables programmatic setup and execution of simulations. Designed to facilitate integrating 'NetLogo' models into reproducible workflows by creating and running 'BehaviorSpace' experiments and retrieving their results.

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agent-based-modelingapisbehaviorspacecomplexity-sciencecomputational-sciencecomputational-social-sciencedata-scienceecological-modelingenvironmental-modelingheadless-executionindividual-based-modelingmulti-agent-systemsnetlogosimulationssystem-dynamicstidyversequarto

6.55 score 18 stars 14 scripts 317 downloads

emodnet.wcs - Access EMODnet Web Coverage Service data through R

Access and interrogate EMODnet Web Coverage Service data through R.

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biologydataproductsemodnetgeospatialmarine-dataraster-datawcs

5.10 score 8 stars 13 scripts

nonabsdid - Visualize Heterogeneity-Robust Event Studies for Non-Absorbing Treatments

Runs several heterogeneity-robust difference-in-differences (DID) event-study estimators for non-absorbing (i.e., treatment can switch on and off over time, allowing treatment reversal) binary treatments through their respective packages, harmonizes their output onto a common time axis and tidy data structure, and overlays them in a single 'ggplot2' panel for visual comparison. Supported estimators include those provided by 'DIDmultiplegtDYN', 'PanelMatch', and 'fect', with an optional naive two-way fixed-effects reference series via 'fixest'. The underlying methods are respectively described in Clement de Chaisemartin and Xavier D'Haultfoeuille. "Difference-in-Differences Estimators of Intertemporal Treatment Effects." The Review of Economics and Statistics (2026) <doi:10.1162/rest_a_01414>, Kosuke Imai, In Song Kim, and Erik H. Wang. "Matching methods for causal inference with time‐series cross‐sectional data." American Journal of Political Science 67.3 (2023) <doi:10.1111/ajps.12685>, Licheng Liu, Ye Wang, and Yiqing Xu. "A practical guide to counterfactual estimators for causal inference with time‐series cross‐sectional data." American Journal of Political Science 68.1 (2024) <doi:10.1111/ajps.12723>, and Laurent R. Bergé, Kyle Butts, and Grant McDermott. "Fast and user-friendly econometrics estimations: The R package 'fixest'." arXiv preprint (2026) <doi:10.48550/arXiv.2601.21749>. A single nabs_event_study() wrapper runs any supported estimator with a common interface; nabs_event_study_simple() provides a one-line front door for quick exploratory runs; the S3 generic as_nabs_event_study() coerces estimator output into a tidy stable schema; and nabs_event_plot() overlays multiple methods on a single 'ggplot2' panel, with optional naive two-way fixed effects drawn in a neutral color as a reference.

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5.02 score 7 scripts 323 downloads

expoquimR - Qualitative and Quantitative Assessment of Occupational Chemical Exposure Risk

Provides a unified toolkit for occupational chemical exposure risk assessment, implementing three internationally recognised methods end to end: the qualitative control-banding methods COSHH Essentials (UK Health and Safety Executive) and the method of the French National Research and Safety Institute (INRS), together with the quantitative statistical procedure of the UNE-EN 689 standard for comparing measured exposure levels against occupational exposure limits. Every step of each method, from hazard banding and exposure scoring to lognormal or normal distribution fitting, one-sided tolerance limits, and monitoring-interval recommendations, is implemented as a small, independently callable, and unit-tested function, so assessments are reproducible and auditable without depending on any graphical interface. Optional 'shiny' applications provide a guided, interactive workflow for occupational hygienists and health and safety practitioners who prefer not to write code. References: UK Health and Safety Executive (2003) <https://www.hse.gov.uk/coshh/essentials/index.htm>; Mallet, Pilorget and Berne (2013, ISBN:978-2-7389-2166-2) "Méthodologie d'évaluation simplifiée du risque chimique: un outil d'aide à la décision" INRS ND 2233; European Committee for Standardisation (2018) <https://www.en-standard.eu/bs-en-689-2018-workplace-exposure-measurement-of-exposure-by-inhalation-to-chemical-agents-strategy-for-testing-compliance-with-occupational-exposure-limit-values/>.

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4.18 score 259 downloads