R: Barycentric plots

tripoints {klaR} | R Documentation

## Barycentric plots

### Description

Function to add points or lines to an existing (barycentric) plot.

### Usage

    tripoints(x, y = NULL, z = NULL, ...)
    trilines(x, y = NULL, z = NULL, ...)

### Arguments

`x` | Vector of fractions of first component OR 3-column matrix containing all three components (omitting `y` and `z`) OR 3-element vector (for all three components, omitting `y` and `z`).
`y` | (optional) vector of fractions of second component.
`z` | (optional) vector of fractions of third component.
`...` | Further graphical parameters (see `points` and `par`).

### Details

Adds points or lines to an existing plot (generated by `triplot`).

### Author(s)

Christian Röver, roever@statistik.tu-dortmund.de

### See Also

`points`, `lines`, `triplot`, `tritrafo`, `centerlines`

### Examples

    triplot()  # empty plot
    tripoints(0.1, 0.2, 0.7)                        # a point
    tripoints(c(0.2, 0.6), c(0.3, 0.3), c(0.5, 0.1),
        pch = c(2, 6))                              # two points
    trilines(c(0.1, 0.6), c(0.2, 0.3), c(0.7, 0.1),
        col = "blue", lty = "dotted")               # a line

    trilines(centerlines(3))

[Package klaR version 0.6-12 Index]