Can I modify axis ticks like this?

[石浜裕太郎]

Hello there,

I am a newbie for ggplot2.

I would like to change axis ticks like the attached jpg (GraphDesired.jpg).

Usually the exponent label is attached to the axis itself (see GraphUndesired.jpg).

I think that the ggplot attaches the exponent label like 10e3 instead of

10 x 10^3 because I rendered these graphs using another application.

My wish is to move this exponent label to the axis label.

It should appear as "Left axis x 10^3"

How can I work it around?

Thanks in advance for your kind help.

Takayuki

[Theo Mouton]

Try scale_x_continuous(limits=c(0,10,20,30,40,50,60))

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Theo Mouton

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[石浜裕太郎]

Thanks! But, in my environment, it did not work, First, must it read scale_y_continuous, not scale_x...?

Second, an error message occured: 

Error in zero_range(range) : x must be length 1 or 2

x1 <- 0:64

gau1 <- 1000000*exp(-1*(x1-32)^2/30)

qplot(x1,gau1)+scale......

2017年8月1日火曜日 6時34分35秒 UTC+9 Theo Mouton:

[Olivia]

the limits in the scale_*() argument are for specifying the ends. The breaks argument allows you to specify the numbers along it. There are a few ways of achieving what you seek to do, here's one (thanks for providing some code). You'll want to make the y axis label more meaningful obviously, but it gives you an idea of how to format it:

x1 <- 0:64

gau1 <- 1000000*exp(-1*(x1-32)^2/30)

df <- data.frame(x1, gau1)

ggplot(df, aes(x = x1, y = gau1 * 10^-5)) + 

geom_line() + 

scale_y_continuous(breaks = seq(from = 0, to = 10, by = 2)) + 

labs(y = expression("gau1"~10^5))

You can read more about it in the ggplot2 help pages, most relevant of which are as follows:

http://ggplot2.tidyverse.org/reference/scale_continuous.html

https://github.com/tidyverse/ggplot2/wiki/Plotmath  

Olivia