Either a matrix with compositional data or a vector with compositional data. In either case, the data may not be compositional data, as long as they non negative.
oper
For the summation this must be "*" and for the negation it must be "/". According to Aitchison (1986), multiplication is equal to summation in the log-space, and division is equal to negation.
Value
A matrix with the perturbed compositional data.
Details
This is the perturbation operation defined by Aitchison (1986).
References
Aitchison J. (1986). The statistical analysis of compositional data. Chapman & Hall.