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Semi-automated analysis of chlorophyll fluorescence images of leaf discs taken with a 'Walz' 'IMAGING-PAM' fluorometer. Provides an R interface to the 'fvfmPy' 'Python' package, which detects leaf discs, assigns them to a grid of rows and columns, and computes the maximum quantum efficiency of photosystem II, Fv/Fm = (Fm - Fo) / Fm, for each disc. The interactive 'fvfmPy' window is launched from R and the results are returned to R as a data frame.
| Version: | 1.0.0 |
| Imports: | reticulate, utils |
| Suggests: | testthat (≥ 3.0.0) |
| Published: | 2026-10-16 |
| DOI: | 10.32614/CRAN.package.fvfmR |
| Author: | Josef Garen [aut, cph], Pieter Arnold [aut, cre, cph], Kristine Crous [aut, cph] |
| Maintainer: | Pieter Arnold <pieter.arnold at anu.edu.au> |
| BugReports: | https://github.com/garenj/fvfmR/issues |
| License: | MIT + file LICENSE |
| URL: | https://github.com/garenj/fvfmR, https://github.com/garenj/fvfmPy |
| NeedsCompilation: | no |
| SystemRequirements: | Python (>= 3.10), fvfmPy (>= 1.0.0) |
| Language: | en-GB |
| Materials: | NEWS |
| CRAN checks: | fvfmR results |
| Reference manual: | fvfmR.html , fvfmR.pdf |
| Package source: | fvfmR_1.0.0.tar.gz |
| Windows binaries: | r-devel: fvfmR_1.0.0.zip, r-release: fvfmR_1.0.0.zip, r-oldrel: fvfmR_1.0.0.zip |
| macOS binaries: | r-release (arm64): fvfmR_1.0.0.tgz, r-oldrel (arm64): fvfmR_1.0.0.tgz, r-release (x86_64): fvfmR_1.0.0.tgz, r-oldrel (x86_64): fvfmR_1.0.0.tgz |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.