| align.col | Combines two files and matches columns |
| average | Averages data with replicate records |
| copy | Copying spectral data files |
| explore.data | Data summary |
| ken.sto | Sample selection based on the Kennard-Stone algorithm |
| plot.ken.sto | Sample selection based on the Kennard-Stone algorithm |
| plot.regr | Regression functions for soil spectral analysis |
| plot.trans | Spectral transformation |
| pred.regr | Regression functions for soil spectral analysis |
| read.spc | Reads spectral spc-files into R |
| regr | Regression functions for soil spectral analysis |
| summary.regr | Regression functions for soil spectral analysis |
| trans | Spectral transformation |
| view.spectra | Generate spectral signatures |