R: Shape scales from Tremmel (1995)

scale_shape_tremmel {ggthemes} | R Documentation

## Shape scales from Tremmel (1995)

### Description

Shape scales from Tremmel (1995)

### Usage

    scale_shape_tremmel(overlap = FALSE, n3alt = TRUE, ...)

### Arguments

`overlap` | use an empty circle instead of a solid circle when `n == 2`.
`n3alt` | If `TRUE` then use a solid circle, plus sign and empty triangle, else use a solid circle, empty circle, and empty triangle.
`...` | common discrete scale parameters: `name`, `breaks`, `labels`, `na.value`, `limits` and `guide`. See `discrete_scale` for more details

### See Also

`tremmel_shape_pal` for a description of the palette.

Other shapes: `circlefill_shape_pal`, `cleveland_shape_pal`, `scale_shape_circlefill`, `scale_shape_cleveland`, `tremmel_shape_pal`

### Examples

    library("ggplot2")
    (ggplot(mtcars, aes(x=mpg, y=hp, shape=factor(cyl)))
     + geom_point() + scale_shape_tremmel())
    (ggplot(mtcars, aes(x=mpg, y=hp, shape=factor(cyl)))
     + geom_point() + scale_shape_tremmel(n3alt=FALSE))
    (ggplot(mtcars, aes(x=mpg, y=hp, shape=factor(am)))
     + geom_point() + scale_shape_tremmel())
    (ggplot(mtcars, aes(x=mpg, y=hp, shape=factor(am)))
     + geom_point() + scale_shape_tremmel(overlap=TRUE))

[Package ggthemes version 3.4.2 Index]