The goal of 'rFIA' is to increase the accessibility and use of the United States Forest Services (USFS) Forest Inventory and Analysis (FIA) Database by providing a user-friendly, open source toolkit to easily query and analyze FIA Data. Designed to accommodate a wide range of potential user objectives, 'rFIA' simplifies the estimation of forest variables from the FIA Database and allows all R users (experts and newcomers alike) to unlock the flexibility inherent to the Enhanced FIA design. Specifically, 'rFIA' improves accessibility to the spatial-temporal estimation capacity of the FIA Database by producing space-time indexed summaries of forest variables within user-defined population boundaries. Direct integration with other popular R packages (e.g., 'dplyr', 'tidyr', and 'sf') facilitates efficient space-time query and data summary, and supports common data representations and API design. The package implements design-based estimation procedures outlined by Bechtold & Patterson (2005) <doi:10.2737/SRS-GTR-80>, and has been validated against estimates and sampling errors produced by FIA 'EVALIDator'. Current development is focused on the implementation of spatially-enabled model-assisted and model-based estimators to improve population, change, and ratio estimates.
| Version: | 1.1.2 |
| Depends: | R (≥ 4.1.0) |
| Imports: | dplyr (≥ 1.0.0), dtplyr (≥ 1.0.0), tidyr (≥ 1.0.0), stringr, sf, parallel, methods, data.table, bit64, tidyselect (≥ 1.0.0), rlang, ggplot2 |
| Suggests: | knitr, rmarkdown, gganimate, R2jags, coda, testthat |
| Published: | 2025-09-29 |
| DOI: | 10.32614/CRAN.package.rFIA |
| Author: | Jeffrey Doser [aut, cre], Hunter Stanke [aut], Andrew Finley [aut] |
| Maintainer: | Jeffrey Doser <jwdoser at ncsu.edu> |
| BugReports: | https://github.com/doserjef/rFIA/issues |
| License: | GPL-3 |
| URL: | https://github.com/doserjef/rFIA, https://www.doserlab.com/files/rFIA |
| NeedsCompilation: | no |
| Citation: | rFIA citation info |
| Materials: | README, NEWS |
| CRAN checks: | rFIA results |
| Reference manual: | rFIA.html , rFIA.pdf |
| Package source: | rFIA_1.1.2.tar.gz |
| Windows binaries: | r-devel: rFIA_1.1.2.zip, r-release: rFIA_1.1.2.zip, r-oldrel: rFIA_1.1.2.zip |
| macOS binaries: | r-release (arm64): rFIA_1.1.2.tgz, r-oldrel (arm64): rFIA_1.1.2.tgz, r-release (x86_64): rFIA_1.1.2.tgz, r-oldrel (x86_64): rFIA_1.1.2.tgz |
| Old sources: | rFIA archive |
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