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ir 0.3.0

Bug fixes

  • In ir_import_spc(), the returned ir object was not a tbl_df, but a data frame. This is now corrected.
  • In unnest.ir(), the ir class was not restored and therefore the result was always unclassed.
  • In ir_average(), the returned ir object was still a grouped_df. This is now corrected (by adding the .groups argument for dplyr::summarize() which is internally used by ir_average()).

New functions

  • ir_export_prepare() to support exporting ir objects to csv.
  • ir_correct_atmosphere() enables correcting for atmospheric artifacts (e.g. H$_2$O and CO$_2$ peaks) following Perez-Guaita et al. (2013) (DOI: 10.1366/13-07159).

Improvements

  • Making ir_flatten() faster by improving spectra combining.
  • Making ir_bin() faster by improving spectra summarizing per bin. Allowing to specify how wavenumber values should be defined after binning.
  • Arithmetic operations now also accept numeric vectors (ir_subtract(), ir_add(), ir_multiply(), ir_divide()).

ir 0.2.1

  • Circumventing a bug in ir_import_spc() by allowing to not export spectra metadata. This bug is caused by hyperSpec::read.spc() and will be fixed in the upcoming weeks. See r-hyperspec/hyperSpec#80

ir 0.2.0

  • First CRAN release (#1).
  • Added a NEWS.md file to track changes to the package.
  • Added tidyverse methods for ir objects.
  • ir objects no longer require columns measurement_id and sample_id, but only the column spectra.
  • Added subsetting and binding methods for ir objects.
  • Added arithmetic operators for ir objects.