View source: R/ternaryDiagPoints.R

ternaryDiagPoints | R Documentation |

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

```
ternaryDiagPoints(x, ...)
```

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

`...` |
Additional graphical parameters passed through. |

no values are returned.

Matthias Templ

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.

`ternaryDiag`

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

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