ggtern (version 1.0.2.0)

logratio: Log-ratio Transformations

Description

Log-ratio and Inverse Log-ratio transformations, for use as part of the geom_confidence geometry.

Usage

isomLR(x)
  isomLRinv(x.ilr)

Arguments

x

2D object to transform

x.ilr

2D object to transform

Value

• isomLRinv returns the transformed data

  isomLRinv returns the inverse-transformed data

Details

isomLR is a function which executes the Log-ratio transformation as per the algorithm based on that provided in isomLR.

isomLRinv is a function which executes the Inverse isometric log-ratio transformation as per the algorithm based on that provided in isomLRinv.

The above functions are based on those provided as part of the robCompositions package.

References

References are provided in the original isomLR documentation.