klaR (version 0.6-2)

triframe: Barycentric plots

Description

Function to add a frame to an existing (barycentric) plot.

Usage

triframe(label = 1:3, label.col = 1, cex = 1, ...)

Arguments

label

labels for the three corners of the plot.

label.col

text color for labels.

cex

Magnification factor for label text relative to the default.

...

Further graphical parameters passed to trilines.

encoding

latin1

concept

• Visualizing Classification Performance Measures
• Barycentric plots

See Also

triplot, trilines, trigrid, centerlines

Examples

triplot(grid = TRUE, frame = FALSE)     # plot without frame 
some.triangle <- rbind(c(0, 0.65, 0.35), c(0.53, 0.47, 0), 
                       c(0.72, 0, 0.28))[c(1:3, 1), ]
trilines(some.triangle, col = "red", pch = 16, type = "b")
triframe(label = c("left", "top", "right"), col = "blue", 
         label.col = "green3")          # frame on top of points

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