All Questions
280
questions
184
votes
4
answers
406k
views
Add legend to ggplot2 line plot
I have a question about legends in ggplot2. I managed to plot three lines in the same graph and want to add a legend with the three colors used. This is the code used
library(ggplot2)
## edit from ...
- 5,111
200
votes
8
answers
73k
views
Remove 'a' from legend when using aesthetics and geom_text
How can I can remove the letter 'a' from the legend generated by this code? If I remove the geom_text, then the 'a' letter will not show in the legend. I want to keep geom_text, though.
ggplot(data = ...
- 2,043
116
votes
10
answers
164k
views
Plot labels at ends of lines
I have the following data (temp.dat see end note for full data)
Year State Capex
1 2003 VIC 5.356415
2 2004 VIC 5.765232
3 2005 VIC 5.247276
4 2006 VIC 5.579882
5 2007 VIC ...
- 15.9k
212
votes
9
answers
271k
views
Add a common Legend for combined ggplots
I have two ggplots which I align horizontally with grid.arrange. I have looked through a lot of forum posts, but everything I try seem to be commands that are now updated and named something else.
...
- 3,472
130
votes
4
answers
56k
views
Keep unused levels in bar plot
I want to plot unused levels (that is, levels where the count is 0) in my bar-plot, however, unused levels are dropped and I cannot figure out how to keep them
df <- data.frame(type=c("A", "A", "A"...
- 1,625
10
votes
2
answers
5k
views
How to set multiple legends / scales for the same aesthetic in ggplot2?
I am plotting data from multiple dataframes in ggplot2 as follows:
# subset of iris data
vdf = iris[which(iris$Species == "virginica"),]
# plot from iris and from vdf
ggplot(iris) +
...
user248237
187
votes
9
answers
194k
views
Is there a way to change the spacing between legend items in ggplot2?
Is there a way to change the spacing between legend items in ggplot2? I currently have
legend.position ="top"
which automatically produces a horizontal legend. However, the spacing of the items is ...
- 2,153
79
votes
1
answer
39k
views
Control ggplot2 legend look without affecting the plot
I'm plotting lines with ggplot2 like this:
ggplot(iris, aes(Petal.Width,Petal.Length,color=Species)) + geom_line() + theme_bw()
.
I find legend marks to be small so I want them to be bigger. If I ...
- 1,679
38
votes
6
answers
45k
views
ggplot2: Divide Legend into Two Columns, Each with Its Own Title
I have these factors
require(ggplot2)
names(table(diamonds$cut))
# [1] "Fair" "Good" "Very Good" "Premium" "Ideal"
which I want to ...
- 6,665
31
votes
3
answers
21k
views
How do I position two legends independently in ggplot
Title pretty well covers it.
I have two legends, relating to size and colour, and wish to have one,say, on the top and one within the graph.
Is this possible and, if so, how
TIA
- 3,505
133
votes
4
answers
151k
views
Remove extra legends in ggplot2
I have a simple data frame that I'm trying to do a combined line and point plot using ggplot2. Supposing my data looks like this:
df <- data.frame(x=rep(1:10,2), y=c(1:10,11:20),
...
- 14k
34
votes
5
answers
29k
views
Place a legend for each facet_wrap grid in ggplot2
I have this data frame:
x <- data.frame(
Date = factor(rep(
c("12/1/2011", "1/2/2012", "2/1/2012", "2/10/2012", "2/13/2012"),
3
)),
...
- 10.5k
376
votes
4
answers
604k
views
Remove legend ggplot 2.2
I'm trying to keep the legend of one layer (smooth) and remove the legend of the other (point). I have tried shutting off the legends with guides(colour = FALSE) and geom_point(aes(color = vs), show....
- 3,785
31
votes
1
answer
31k
views
Missing legend with ggplot2 and geom_line
How does one get a legend to display when plotting lines in ggplot? I've been trying all evening but have been unsuccessful.
p <- ggplot(output, aes(lambda), legend=TRUE) +
geom_line(aes(y=...
- 8,013
15
votes
2
answers
19k
views
ggplot separate legend and plot
I am using the grid lpackage to place my graphs that I made with ggplot2:
library(ggplot2)
library(grid)
Layout <- grid.layout(nrow = 4, ncol = 4,
widths = unit(1, "null"),
...
- 153