[R] AES spesification

[Rui Barradas]

Hello,

You can subset the data argument.
And if you are plotting one year only, there's no point in color = year.

ggplot(subset(mpg, year == 1999), aes(displ, hwy)) +
   geom_point()


If you are loading package dplyr, you can filter directly to ggplot:


library(dplyr)

mpg %>%
   filter(year == 1999) %>%
   ggplot(aes(displ, hwy)) +
   geom_point()


Hope this helps,

Rui Barradas


Às 14:37 de 21/10/20, Engin Yılmaz escreveu:
> Dear
> 
> I use dataset , as called "mpg"
> 
> This is code
> 
> ggplot(data=mpg)+ geom_point(mapping = aes(x=displ, y=hwy, colour=year))
> 
> But I would like to see only "year of 1999" in this relationship between x
> and y variables
> 
> How could I change the code in this direction?
> 
> I found the following code
> 
> library(dplyr)year_1999 <- filter(mpg, year=="1999")ggplot(year_1999,
> aes(x=displ, y=hwy)) + geom_point()
> 
> 
> I found other code
> 
> ggplot(data = mpg, mapping = aes(x = displ, y = hwy)) +
> 
>      geom_point(
> 
>        data = filter(mpg, year == "1999")
> 
>      )
> 
> 
> Is there more compact code ?
> 
> 
> sincerely
> Engin YILMAZ
> 
> 	[[alternative HTML version deleted]]
> 
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