All Questions
2 questions
0
votes
1
answer
425
views
Plotting NMDS A continuous variable can not be mapped to shape ggplot2 but group variable seems to be character
I am trying to plot NMDS results using an example I found online. When I plot my group variable (which are 'S' and 'E') I get "Error in 'scale_f()': A continuous variable can not be mapped to ...
- 343
1
vote
1
answer
2k
views
ggplot2: Reversing the standard color gradient for a continuous variable
I keep thinking that there must be an absolutely simple answer to my question, but I just can't seem to find it. Take this example plot:
library(ggplot2)
qplot(cty, displ, colour=displ, data=mpg)
...
- 27