OpenSpecy: Analyze, Process, Identify, and Share, Raman and (FT)IR Spectra

Raman and (FT)IR spectral analysis tool for plastic particles and other environmental samples (Cowger et al. 2021, <doi:10.1021/acs.analchem.1c00123>). Supported features include reading spectral data files (.asp, .csv, .jdx, .spc, .spa, .0), Savitzky-Golay smoothing of spectral intensities with smooth_intens(), correcting background noise with subtr_bg() in accordance with Zhao et al. (2007) <doi:10.1366/000370207782597003>, and identifying spectra using an onboard reference library (Cowger et al. 2020, <doi:10.1177/0003702820929064>). Analyzed spectra can be shared with the Open Specy community. A Shiny app is available via run_app() or online at <>.

Version: 0.9.2
Depends: R (≥ 4.0.0)
Imports: dplyr, rlang, osfr, hyperSpec, hexView, digest, signal, shiny
Suggests: knitr, rmarkdown, testthat (≥ 3.0.0), config, shinyjs, shinythemes, shinyBS, shinyWidgets, ggplot2, plotly, data.table, DT, curl, rdrop2, mongolite, loggit
Published: 2021-05-20
Author: Win Cowger ORCID iD [cre, aut], Zacharias Steinmetz ORCID iD [aut], Andrew Gray ORCID iD [ctb], Hannah Hapich ORCID iD [ctb], Jennifer Lynch ORCID iD [ctb, dtc], Hannah De Frond ORCID iD [ctb, dtc], Keenan Munno ORCID iD [ctb, dtc], Chelsea Rochman ORCID iD [ctb, dtc], Sebastian Primpke ORCID iD [ctb, dtc], Orestis Herodotou [ctb, dtc]
Maintainer: Win Cowger <wincowger at>
License: CC BY 4.0
NeedsCompilation: no
Materials: README NEWS
CRAN checks: OpenSpecy results


Reference manual: OpenSpecy.pdf
Vignettes: Standard Operating Procedure
Package source: OpenSpecy_0.9.2.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): OpenSpecy_0.9.2.tgz, r-release (x86_64): OpenSpecy_0.9.2.tgz, r-oldrel: OpenSpecy_0.9.2.tgz
Old sources: OpenSpecy archive


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