| ChemoSpec-package | Exploratory Chemometrics for Spectroscopy | 
| alignMUD | Made Up NMR Data Sets | 
| aovPCAloadings | Plot aovPCAscores Loadings of a Spectra Object | 
| aovPCAscores | Plot ANOVA-PCA Scores from a Spectra Object | 
| aov_pcaSpectra | ANOVA-PCA Analysis of Spectra Data | 
| averageReplicates | Average Replicates in a Spectra Object | 
| baselineSpectra | Baseline Correction of a Spectra Object | 
| binSpectra | Bin or Bucket a Spectra Object | 
| check4Gaps | Check for Discontinuities (Gaps) in a Vector & Optionally Make a Plot | 
| ChemoSpec | Exploratory Chemometrics for Spectroscopy | 
| chkGraphicsOpt | Check the Graphics Output Option/Mode | 
| chkSpectra | Verify the Integrity of a Spectra or Spectra2D Object | 
| clupaSpectra | Hierarchical Cluster-Based Peak Alignment on a Spectra Object | 
| colorSymbol | Color and Symbols in ChemoSpec and ChemoSpec2D | 
| conColScheme | Change the Color Scheme of a Spectra or Spectra2D Object | 
| cv_pcaSpectra | Cross-Validation of Classical PCA Results for a Spectra Object | 
| c_pcaSpectra | Classical PCA of Spectra Objects | 
| evalClusters | Evaluate or Compare the Quality of Clusters Quantitatively | 
| files2SpectraObject | Import Data into a Spectra Object | 
| hcaScores | HCA on PCA/MIA/PARAFAC scores from a Spectra or Spectra2D Object | 
| hcaSpectra | Plot HCA Results of a Spectra Object | 
| hmapSpectra | Seriated Heat Map for a Spectra Object | 
| hypTestScores | Conduct MANOVA using PCA Scores and Factors in a Spectra Object | 
| irlba_pcaSpectra | IRLBA PCA of Spectra Objects | 
| matrix2SpectraObject | Import Data into a Spectra Object | 
| mclust3dSpectra | mclust Analysis of a Spectra Object in 3D | 
| mclustSpectra | mclust Analysis of a Spectra Object PCA Results | 
| metMUD1 | Made Up NMR Data Sets | 
| metMUD2 | Made Up NMR Data Sets | 
| normSpectra | Normalize a Spectra Object | 
| pcaDiag | Outlier Diagnostic Plots for PCA of a Spectra Object | 
| plot2Loadings | Plot PCA Loadings from a Spectra Object Against Each Other | 
| plot3dScores | 3D PCA Score Plot for a Spectra Object | 
| plotLoadings | Plot PCA Loadings for a Spectra Object | 
| plotScores | Plot Scores from PCA, MIA or PARAFAC Analysis of a Spectra or Spectra2D Object | 
| plotScree | Scree Plots from PCA or MIA Analysis of a Spectra or Spectra2D Object | 
| plotSpectra | Plot Spectra Object | 
| plotSpectraDist | Plot the Distance Between Spectra and a Reference Spectrum in a Spectra Object | 
| plotSpectraJS | Plot a Spectra Object Interactively | 
| removeFreq | Remove Frequencies from a Spectra or Spectra2D Object | 
| removeGroup | Remove Groups from a Spectra or Spectra2D Object | 
| removeSample | Remove Samples from a Spectra or Spectra2D Object | 
| reviewAllSpectra | Review All the Spectra in a Spectra Object | 
| rowDist | Compute Distance Between Rows of a Matrix | 
| r_pcaSpectra | Robust PCA of a Spectra Object | 
| sampleDist | Compute the Distances Between Samples in a Spectra or Spectra2D Object | 
| sgfSpectra | Apply Savitzky-Golay filters to a Spectra object | 
| Spectra | Spectra Objects | 
| splitSpectraGroups | Create New Groups from an Existing Spectra Object | 
| sPlotSpectra | s-Plot of Spectra Data (Post PCA) | 
| SrE.IR | IR and NMR Spectra of Serenoa repens (Saw Palmetto) Oil Extracts and Reference Oils | 
| SrE.NMR | IR and NMR Spectra of Serenoa repens (Saw Palmetto) Oil Extracts and Reference Oils | 
| sumGroups | Summarize the Group Membership of a Spectra or Spectra2D Object | 
| sumSpectra | Summarize a Spectra or Spectra2D Object | 
| surveySpectra | Plot Measures of Central Tendency and Spread for a Spectra Object | 
| surveySpectra2 | Plot Measures of Central Tendency and Spread for a Spectra Object | 
| s_pcaSpectra | Sparse PCA of Spectra Objects | 
| updateGroups | Update Group Names in a Spectra or Spectra2D Object |