apt: [!]Additive planar transform

In GegznaV/spHelper: Extension of Package `hyperSpec` and Various Convenience Functions

[!]Additive planar transform

Description

Compute the additive planar transform of a (dataset of) compositions. Default method is function apt from package compositions.

Usage

apt(x, ...)

## Default S3 method:
apt(x, ...)

## S3 method for class 'hyperSpec'
apt(x, ...)

Arguments

x	A numeric data frame or matrix.
...	further parameters to apt.

Value

Returns the transformed data matrix with the same dimension as x.

See Also

apt

Other row-wise transformations: alr(), clr(), cpt(), ilr(), ipt()

Examples

apt(Spectra2)

plot(Spectra2)
plot(apt(Spectra2))

GegznaV/spHelper documentation built on April 16, 2023, 1:42 p.m.