R: Add points or lines to a given ternary diagram.

ternaryDiagPoints {robCompositions} | R Documentation

## Add points or lines to a given ternary diagram.

### Description

Low-level plot function to add points or lines to a ternary high-level plot.

### Usage

    ternaryDiagPoints(x, ...)

### Arguments

`x` | Three-dimensional composition given as an object of class “matrix” or “data.frame”.
`...` | Additional graphical parameters passed through.

### Value

no values are returned.

### Author(s)

Matthias Templ

### References

C. Reimann, P. Filzmoser, R.G. Garrett, and R. Dutter: Statistical Data Analysis Explained. Applied Environmental Statistics with R. John Wiley and Sons, Chichester, 2008.

### See Also

`ternaryDiag`

### Examples

    data(coffee)
    x <- coffee[,2:4]
    ternaryDiag(x, grid=FALSE)
    ternaryDiagPoints(x+1, col="red", pch=2)

[Package robCompositions version 2.0.6 Index]