ggspectra 0.3.6

Package documentation web site at:

The changes from version 0.3.5, the current CRAN release, are:


  • Support for computation of colors using other chromaticity coordinates than the color matching function (CMF) for human vision.
  • stat_spikes(), useful for highlighting and labeling spikes in spectra.
  • Fitted peaks and valleys (experimental).
  • Annotations "wls" and "wls.labels" in autoplot() methods.
  • Update decoration() to support "wls" and "wls.labels".
  • Compatibility with ‘dplyr’ (>= 1.0.0).
  • Track changes in ‘photobiology’ 0.10.1 and 0.10.2.

Bugs fixed

  • Fix two bugs in ggplot() method for class object_spct.

NOTE: The updated package is on its way to CRAN.

Please raise issues concerning bugs or enhancements to this package through Bitbucket at

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