How to prevent overlapping x-axis labels in sns.countplot

PythonPandasMatplotlibSeaborn

Python Problem Overview


For the plot

sns.countplot(x="HostRamSize",data=df)

I got the following graph with x-axis label mixing together, how do I avoid this? Should I change the size of the graph to solve this problem?

enter image description here

Python Solutions


Solution 1 - Python

Having a Series ds like this

import pandas as pd
import seaborn as sns
import matplotlib.pyplot as plt
import numpy as np; np.random.seed(136)

l = "1234567890123"
categories = [ l[i:i+5]+" - "+l[i+1:i+6] for i in range(6)]
x = np.random.choice(categories, size=1000, 
            p=np.diff(np.array([0,0.7,2.8,6.5,8.5,9.3,10])/10.))
ds = pd.Series({"Column" : x})

there are several options to make the axis labels more readable.

###Change figure size

plt.figure(figsize=(8,4)) # this creates a figure 8 inch wide, 4 inch high
sns.countplot(x="Column", data=ds)
plt.show()

###Rotate the ticklabels

ax = sns.countplot(x="Column", data=ds)

ax.set_xticklabels(ax.get_xticklabels(), rotation=40, ha="right")
plt.tight_layout()
plt.show()

enter image description here

###Decrease Fontsize

ax = sns.countplot(x="Column", data=ds)

ax.set_xticklabels(ax.get_xticklabels(), fontsize=7)
plt.tight_layout()
plt.show()

enter image description here

Of course any combination of those would work equally well.

###Setting rcParams

The figure size and the xlabel fontsize can be set globally using rcParams

plt.rcParams["figure.figsize"] = (8, 4)
plt.rcParams["xtick.labelsize"] = 7

This might be useful to put on top of a juypter notebook such that those settings apply for any figure generated within. Unfortunately rotating the xticklabels is not possible using rcParams.

I guess it's worth noting that the same strategies would naturally also apply for seaborn barplot, matplotlib bar plot or pandas.bar.

Solution 2 - Python

You can rotate the x_labels and increase their font size using the xticks methods of pandas.pyplot.

For Example:

import matplotlib.pyplot as plt
plt.figure(figsize=(10,5))
chart = sns.countplot(x="HostRamSize",data=df)

plt.xticks(
    rotation=45, 
    horizontalalignment='right',
    fontweight='light',
    fontsize='x-large'  
)

For more such modifications you can refer this link: Drawing from Data

Solution 3 - Python

If you just want to make sure xticks labels are not squeezed together, you can set a proper fig size and try fig.autofmt_xdate().

This function will automatically align and rotate the labels.

Solution 4 - Python

I don't know whether it is an option for you but maybe turning the graphic could be a solution (instead of plotting on x=, do it on y=), such that:

sns.countplot(y="HostRamSize",data=df)

enter image description here

Solution 5 - Python

plt.figure(figsize=(15,10)) #adjust the size of plot
ax=sns.countplot(x=df['Location'],data=df,hue='label',palette='mako')

ax.set_xticklabels(ax.get_xticklabels(), rotation=40, ha="right")  #it will rotate text on x axis

plt.tight_layout()
plt.show()

you can try this code & change size & rotation according to your need.

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Content TypeOriginal AuthorOriginal Content on Stackoverflow
Questionwilliam007View Question on Stackoverflow
Solution 1 - PythonImportanceOfBeingErnestView Answer on Stackoverflow
Solution 2 - PythonDeepam GuptaView Answer on Stackoverflow
Solution 3 - Pythonhui chenView Answer on Stackoverflow
Solution 4 - PythonCarles Sans FuentesView Answer on Stackoverflow
Solution 5 - PythonAkash DesaiView Answer on Stackoverflow