| matrix_unknown | Matrix with 4 unknown Raman spectra of plastic polymers |
| MPdatabase | Database with Raman spectra of plastic polymers and pigments |
| norm.min.max | Min-max normalisation |
| norm.SNV | Z-score normalisation |
| peak.finder | Peaks identification |
| region.remove | Removal of spectral region |
| savit.gol | Savitzky–Golay smoothing |
| single_unknown | Matrix with 1 unknown Raman spectra of plastic polymer |
| spectra.alignment | Align spectra with different spectral resolution |
| spectra.corr | Spectrum identification based on Pearson correlation coefficient |
| spectra.corr.mat | Identification of multiple spectra identification based on Pearson correlation coefficient |
| spectra.dist | Spectrum identification based on Euclidean distance |
| spectra.dist.mat | Identification of multiple spectra identification based on Euclidean distance |