scale_alpha_manual

ARGUMENTS
no arguments
without the scale
breaks
guide
labels
na.translate
limits
na.value
name
values

ggplot(mpg, aes(x = class)) +
  geom_bar(aes(alpha = class)) +
  scale_alpha_manual(values = c(0.1, 0.1, 0.5, 0.5, 0.5, 0.9, 0.9))
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ggplot2tor

Handmade tutorials to help you master ggplot2. Each tutorial provides a step-by-step guide that teaches you how to create visualizations that go beyond the basics of ggplot2.

Creator and author

I am an educational scientist and instructional designer with a curiosity for web development and data visualization. Find me on my personal homepage.