R: D3.js Color Scales

scale_color_d3 {ggsci} | R Documentation

## D3.js Color Scales

### Description

See `pal_d3` for details.

### Usage

    scale_color_d3(palette = c("category10", "category20", "category20b",
      "category20c"), alpha = 1, ...)

    scale_colour_d3(palette = c("category10", "category20", "category20b",
      "category20c"), alpha = 1, ...)

    scale_fill_d3(palette = c("category10", "category20", "category20b",
      "category20c"), alpha = 1, ...)

### Arguments

`palette` | Palette type. There are 4 available options: `"category10"` (10-color palette); `"category20"` (20-color palette); `"category20b"` (20-color palette); `"category20c"` (20-color palette).
`alpha` | Transparency level, a real number in (0, 1]. See `alpha` in `rgb` for details.
`...` | additional parameters for `discrete_scale`

### Author(s)

Nan Xiao <me@nanx.me> | <https://nanx.me>

### References

https://github.com/d3/d3-3.x-api-reference/blob/master/Ordinal-Scales.md

### Examples

    library("ggplot2")
    data("diamonds")

    p1 = ggplot(subset(diamonds, carat >= 2.2),
                aes(x = table, y = price, colour = cut)) +
      geom_point(alpha = 0.7) +
      geom_smooth(method = "loess", alpha = 0.1, size = 1, span = 1) +
      theme_bw()

    p2 = ggplot(subset(diamonds, carat > 2.2 & depth > 55 & depth < 70),
                aes(x = depth, fill = cut)) +
      geom_histogram(colour = "black", binwidth = 1, position = "dodge") +
      theme_bw()

    p1 + scale_color_d3()
    p2 + scale_fill_d3()

    p1 + scale_color_d3(palette = "category20")
    p2 + scale_fill_d3(palette = "category20")

    p1 + scale_color_d3(palette = "category20b")
    p2 + scale_fill_d3(palette = "category20b")

    p1 + scale_color_d3(palette = "category20c")
    p2 + scale_fill_d3(palette = "category20c")

[Package ggsci version 2.9 Index]