How to force axis values to scientific notation in ggplot

Question

I have the following code:

 library(ggplot2)
 df <- data.frame(y=seq(1, 1e5, length.out=100), x=sample(100))
 p  <- ggplot(data = df, aes(x=x, y=y)) + geom_line() + geom_point()
 p

Which produce this image:

As mentioned in the image above how can I change the y-axis value to scientific notation?

Also http://stackoverflow.com/questions/20529252/changing-x-axis-values-tick-labels-in-r-using-ggplot2 — tatxif, Feb 19 '17 at 03:23
Load the `scales` package and then add `scale_y_continuous(labels = scientific)` to your plot. — conrad-mac, Feb 19 '17 at 03:26

score 55 · Accepted Answer · answered Feb 19 '17 at 03:25

55

You can pass a format function with scientific notation turned on to scale_y_continuous labels parameter:

p + scale_y_continuous(labels = function(x) format(x, scientific = TRUE))

answered Feb 19 '17 at 03:25

Psidom

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or `scale_y_continuous(labels = scales::scientific)` – alistaire Feb 19 '17 at 03:27

How to force axis values to scientific notation in ggplot

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