Computes all pairwise log-ratio transformation.
Arguments
- object
A
CompositionMatrix
object.- ...
Currently not used.
Value
A LR
object.
References
Aitchison, J. (1986). The Statistical Analysis of Compositional Data. London: Chapman and Hall.
Greenacre, M. J. (2019). Compositional Data Analysis in Practice. Boca Raton: CRC Press.
Greenacre, M. J. (2021). Compositional Data Analysis. Annual Review of Statistics and Its Application, 8(1): 271-299. doi:10.1146/annurev-statistics-042720-124436 .
See also
Other log-ratio transformations:
transform_alr()
,
transform_clr()
,
transform_ilr()
,
transform_inverse()
,
transform_plr()
Examples
## Data from Aitchison 1986
data("hongite")
## Coerce to compositional data
coda <- as_composition(hongite)
## Pairwise log-ratio
lr <- transform_lr(coda)