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
