for an exam in my data science course i been ask to use 'ggplot2movies' package and create a graph with the data. i wrote the code and i want to change the color of the 'rating' scale. i try some diffrent ways but it didn't work. anybody have an idea?
What do you want to change the color to? By default, ggplot will map continuous variables in the color aesthetic to a scale from black to blue, but there are many options for using other palettes.
The default in ggplot is equivalent to:
ggplot(mtcars, aes(wt, mpg, color = disp)) + geom_point(size = 5) + scale_color_gradient(low = "#1A334B", high = "#5EB7F8", guide = "colourbar")
The simplest thing might be to change the "high" value to another color:
ggplot(mtcars, aes(wt, mpg, color = disp)) + geom_point(size = 5) + scale_color_gradient(low = "gray10", high = "red", guide = "colourbar")
Here are some related resources with more palette options:
Hi, first of all thanks😊
I want to use different colour for each level.for example:
i will look in the links you send.
make sure to looked at binned scales:
ggplot(mtcars, aes(wt, mpg, color = mpg)) +
geom_point(size = 5) +
this is great. thank you
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