R: Set Gradient Color

gradient_color {ggpubr} | R Documentation

## Set Gradient Color

### Description

Change gradient color.

- `gradient_color()`: Change gradient color.

- `gradient_fill()`: Change gradient fill.

### Usage

    gradient_color(palette)

    gradient_fill(palette)

### Arguments

`palette` | the color palette to be used for coloring or filling by groups. Allowed values include "grey" for grey color palettes; brewer palettes e.g. "RdBu", "Blues", ...; or custom color palette e.g. c("blue", "red"); and scientific journal palettes from ggsci R package, e.g.: "npg", "aaas", "lancet", "jco", "ucscgb", "uchicago", "simpsons" and "rickandmorty". Can be also a numeric vector; in this case a basic color palette is created using the function palette.

### See Also

set_palette.

### Examples

    df <- mtcars
    p <- ggscatter(df, x = "wt", y = "mpg",
                   color = "mpg")

    # Change gradient color
    # Use one custom color
    p + gradient_color("red")

    # Two colors
    p + gradient_color(c("blue",  "red"))

    # Three colors
    p + gradient_color(c("blue", "white", "red"))

    # Use RColorBrewer palette
    p + gradient_color("RdYlBu")

    # Use ggsci color palette
    p + gradient_color("npg")

[Package ggpubr version 0.1.6 Index]