| Artificial | Two sets of 3-part compositions |
| bentonites | Isotopic and chemical compositions of bentonites |
| canocov | Canonical correlation analysis. |
| cen | centring of a data matrix |
| clrmat | Centred log-ratio transformation |
| largest.kappas | Calculate condition indices for subcompositions |
| lrpca | Logratio principal component analysis with condition indices |
| tr | Compute the trace of a matrix |