Questions tagged [legend]
A graph legend is commonly used when plotting several sets of data within the same diagram. The legend associates each plot with its corresponding data.
legend
5,165
questions
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votes
18
answers
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How to put the legend outside the plot
I have a series of 20 plots (not subplots) to be made in a single figure. I want the legend to be outside of the box. At the same time, I do not want to change the axes, as the size of the figure gets ...
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answers
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How to change legend fontsize with matplotlib.pyplot
Simple question here: I'm trying to get the size of my legend using matplotlib.pyplot to be smaller (i.e., the text to be smaller). The code I'm using goes something like this:
plot.figure()
plot....
- 23.5k
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votes
7
answers
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Adding a matplotlib legend
How can one create a legend for a line graph in Matplotlib's PyPlot without creating any extra variables?
Please consider the graphing script below:
if __name__ == '__main__':
PyPlot.plot(length, ...
- 81.8k
481
votes
11
answers
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Secondary axis with twinx(): how to add to legend
I have a plot with two y-axes, using twinx(). I also give labels to the lines, and want to show them with legend(), but I only succeed to get the labels of one axis in the legend:
import numpy as np
...
- 138k
376
votes
4
answers
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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
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votes
10
answers
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How do I make a single legend for many subplots?
I am plotting the same type of information, but for different countries, with multiple subplots with Matplotlib. That is, I have nine plots on a 3x3 grid, all with the same for lines (of course, ...
- 8,717
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votes
11
answers
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Remove the legend on a matplotlib figure
To add a legend to a matplotlib plot, one simply runs legend().
How to remove a legend from a plot?
(The closest I came to this is to run legend([]) in order to empty the legend from data. But that ...
- 48.5k
298
votes
7
answers
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views
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
I'm familiar with the following questions:
Matplotlib savefig with a legend outside the plot
How to put the legend out of the plot
It seems that the answers in these questions have the luxury of ...
- 8,341
222
votes
11
answers
452k
views
Plot a legend outside of the plotting area in base graphics?
As the title says: How can I plot a legend outside the plotting area when using base graphics?
I thought about fiddling around with layout and produce an empty plot to only contain the legend, but I ...
- 14.4k
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
200
votes
8
answers
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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
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votes
9
answers
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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
184
votes
4
answers
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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
173
votes
5
answers
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views
How to manually create a legend
I am using matplotlib and I would like to manually add items to the legend that are a color and a label. I am adding data to to the plot to specifying there would lead to a lot of duplicates.
My ...
- 1,777
173
votes
4
answers
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Global legend and title aside subplots
I've started with matplot and managed some basic plots, but now I find it hard to discover how to do some stuff I need now :(
My actual question is how to place a global title and global legend on a ...
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votes
4
answers
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matplotlib: colorbars and its text labels
I'd like to create a colorbar legend for a heatmap, such that the labels are in the center of each discrete color. Example borrowed from here:
import matplotlib.pyplot as plt
import numpy as np
from ...
- 4,459
133
votes
4
answers
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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
130
votes
4
answers
56k
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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
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votes
2
answers
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Legend on bottom, two rows wrapped in ggplot2 in r
library(ggplot2)
library(scales)
library(reshape2)
Rdates <- c("2007-01-31","2007-02-28","2007-03-30","2007-04-30","2007-05-31","2007-06-29&...
- 2,696
119
votes
6
answers
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Stop matplotlib repeating labels in legend
Here is a very simplified example:
xvalues = [2,3,4,6]
for x in xvalues:
plt.axvline(x,color='b',label='xvalues')
plt.legend()
The legend will now show 'xvalues' as a blue line 4 times in the ...
- 7,549
118
votes
6
answers
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Show only certain items in legend
I currently am plotting a stacked bar graph of a large amount of taxonomic data, and only wish to show significant species in the legend (out of ~500 I wish to show ~25). Is there a simple way to do ...
- 2,078
116
votes
10
answers
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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
116
votes
7
answers
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views
How is order of items in matplotlib legend determined?
I am having to reorder items in a legend, when I don't think I should have to. I try:
from pylab import *
clf()
ax=gca()
ht=ax.add_patch(Rectangle((1,1),1,1,color='r',label='Top',alpha=.1))
h1=ax.bar(...
- 3,940
114
votes
4
answers
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views
How to edit a seaborn legend title and labels for figure-level functions
I've created this plot using Seaborn and a pandas dataframe (data):
My code:
import seaborn as sns
g = sns.lmplot('credibility', 'percentWatched', data=data, hue='millennial', markers=["+",...
- 1,171
114
votes
4
answers
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views
How to move or position a legend in ggplot2
I'm trying to create a ggplot2 plot with the legend beneath the plot.
The ggplot2 book says on p 112 "The position and justification of legends are controlled by the theme setting legend.position, ...
- 24.7k
109
votes
4
answers
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views
How to place two different legends on the same graph
I have a plot where different colors are used for different parameters, and where different line styles are used for different algorithms. The goal is to compare the results of the different ...
- 22.7k
108
votes
5
answers
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views
How to specify legend position in graph coordinates
I am aware of the bbox_to_anchor keyword and this thread, which very helpfully suggests how to manually place the legend:
How to put the legend out of the plot
However, I'd like to use the ...
- 2,104
100
votes
8
answers
211k
views
Move seaborn plot legend to a different position
I'm using factorplot(kind="bar") with seaborn.
The plot is fine except the legend is misplaced: too much to the right, text goes out of the plot's shaded area.
How do I make seaborn place the legend ...
- 8,548
96
votes
5
answers
374k
views
Matplotlib scatter plot legend
I created a 4D scatter plot graph to represent different temperatures in a specific area. When I create the legend, the legend shows the correct symbol and color but adds a line through it. The code I'...
- 1,097
96
votes
5
answers
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HighCharts Hide Series Name from the Legend
I try to solve this problem several times and give up. Now, when I have met him again, I decided to ask for some help.
I have this code for my Legend:
legend:
{
layout: 'vertical',
align: '...
- 43.4k
94
votes
9
answers
48k
views
Making a Legend/Key in GraphViz
I’d like to include a legend or key in my GraphViz diagram. I’m having trouble figuring out what code to use, though. I also want to put it in a corner, but the only coord I know for sure is the ...
- 9,853
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votes
6
answers
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views
Setting a fixed size for points in legend
I'm making some scatter plots and I want to set the size of the points in the legend to a fixed, equal value.
Right now I have this:
import matplotlib.pyplot as plt
import numpy as np
def rand_data(...
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88
votes
4
answers
149k
views
creating over 20 unique legend colors using matplotlib
I am plotting 20 different lines on a single plot using matplotlib. I use a for loop for plotting and label every line with its key and then use the legend function
for key in dict.keys():
plot(x,...
- 1,115
88
votes
4
answers
68k
views
increase the linewidth of the legend lines in matplotlib
I know that if I change the linewidth of a line, that is automatically updated in the legend.
However I would like to just change the legend linewidth without affecting the plot.
- 8,693
86
votes
8
answers
47k
views
Set legend symbol opacity
I'm working on a plot with translucent 'x' markers (20% alpha). How do I make the marker appear at 100% opacity in the legend?
import matplotlib.pyplot as plt
plt.plot_date( x = xaxis, y = yaxis, ...
- 1,282
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votes
9
answers
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views
How to set font size of Matplotlib axis Legend?
I have a code like this:
import matplotlib.pyplot as plt
from matplotlib.pyplot import *
from matplotlib.font_manager import FontProperties
fontP = FontProperties()
fontP.set_size('xx-small')
fig=...
- 1,376
79
votes
1
answer
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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
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votes
4
answers
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Change main plot legend label text
So far I have been able to label the subplots just fine but I'm having an issue with the main one.
Here's the relevant part of my code:
data_BS_P = data[channels[0]]
data_BS_R = data[channels[1]]
...
- 813
78
votes
9
answers
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How do I assign multiple legend labels at once?
I have the following dataset:
x = [0, 1, 2, 3, 4]
y = [ [0, 1, 2, 3, 4],
[5, 6, 7, 8, 9],
[9, 8, 7, 6, 5] ]
Now I plot it with:
import matplotlib.pyplot as plt
plt.plot(x, y)
However, ...
- 31.2k
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votes
4
answers
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Remove line through legend marker with .plot
I have a matplotlib plot generated with the following code:
import matplotlib.pyplot as pyplot
Fig, ax = pyplot.subplots()
for i, (mark, color) in enumerate(zip(
['s', 'o', 'D', 'v'], ['r', 'g', ...
- 14.8k
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votes
2
answers
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plot legends without border and with white background
I have a legend in a plot with a line (from an abline-statement) going through it. How can I achieve that the abline gets invisible in proximity of the legend? This should be achievable by setting the ...
- 751
68
votes
1
answer
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R ggplot2 legend inside the figure
So, I have the following data.frame, and I want to generate two plots in one graph for yval vs. xval, for each zval and type tp. The lef
> df
xval yval se zval cond
1 1.0 ...
- 6,401
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3
answers
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Styling part of label in legend in matplotlib
Is it possible to have part of the text of a legend in a particular style, let's say, bold or italic?
- 1,025
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votes
6
answers
75k
views
How can I remove the legend title in ggplot2?
I have a question concerning the legend in ggplot2.
Say I have a hypothetical dataset about mean carrot length for two different colours at two farms:
carrots<-NULL
carrots$Farm<-rep(c("X","Y")...
- 2,388
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votes
5
answers
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Reverse the order of a legend
I use the following code to plot the bar graph and need to present a legend in reverse order. How can I do it?
colorsArr = plt.cm.BuPu(np.linspace(0, 0.5, len(C2)))
p = numpy.empty(len(C2), dtype=...
- 10.1k
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votes
4
answers
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views
Is it possible to add a string as a legend item
I am producing some plots in matplotlib and would like to add explanatory text for some of the data. I want to have a string inside my legend as a separate legend item above the '0-10' item. Does ...
- 8,030
59
votes
7
answers
80k
views
Which CSS tag creates a box like this with title?
I want to create a box like this with title:
Can any one please let me know if there is a default CSS tag to do this? Or do I need to create my custom style?
- 1,051
58
votes
1
answer
47k
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ggplot2 legend items in a single horizontal row
It seems that the code I wrote and tested last week has now suddenly decided to change the output even though nothing in the code or the version of R or Rstudio has changed.
Previously when I drew a ...
- 691
57
votes
3
answers
93k
views
How to change the legend edgecolor and facecolor
Is there while rcParams['legend.frameon'] = 'False' a simple way to fill the legend area background with a given colour. More specifically I would like the grid not to be seen on the legend area ...
- 2,923
56
votes
7
answers
200k
views
No handles with labels found to put in legend
I'm trying to create a parallelogram in PyPlot. I'm not up to drawing the parallelogram--first I'm putting in the vector arrows--using the following code:
fig = plt.figure()
ax = fig.add_subplot(111)
...
- 1,883