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First Dive into seaborn Visualization

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Countplot

A countplot is a plot that takes a categorical list and returns columns that represent the number of list entries for each category.

An example of a countplot:

To initialize a countplot, we need to input at least 1 parameter: x (the column in which values will be counted).

Note

We may also use y instead of x to change the orientation of the plot.

As the seaborn is based on the matplotlib, we may use a special matplotlib.pyplot library and its function plt.show() to show the plot:

python
# Importing the matplotlib.pyplot 
import matplotlib.pyplot as plt

# Showing the plot
plt.show()

Look at the code below!

# Importing the Seaborn
import seaborn as sns
# Importing the matplotlib.pyplot
import matplotlib.pyplot as plt

# Data list
data_list = ['apple', 'fish', 'milk', 'milk', 'apple', 'apple', 'milk', 'fish', 'fish']

# Creating the countplot
sns.countplot(x = data_list)

# Showing the plot
plt.show()

              
12345678910111213

            
# Importing the Seaborn 
import seaborn as sns
# Importing the matplotlib.pyplot
import matplotlib.pyplot as plt

# Data list
data_list = ['apple', 'fish', 'milk', 'milk', 'apple', 'apple', 'milk', 'fish', 'fish']

# Creating the countplot
sns.countplot(x = data_list)

# Showing the plot
plt.show()
copy

Let's solve this problem!

Task

Swipe to start coding

  1. Import the seaborn library with the sns alias.

  2. Import the matplotlib.pyplot library with the plt alias.

  3. Initialize the x-oriented countplot for guests_list.

  4. Show the plot.

Solution

import seaborn as sns
import matplotlib.pyplot as plt

guests_list = ['Girl', 'Boy', 'Boy', 'Boy', 'Girl', 'Boy', 'Boy', 'Boy', 'Girl', 'Boy', 'Girl', 'Girl', 'Girl', 'Girl', 'Girl', 'Girl']

sns.countplot(x = guests_list)

plt.show()

Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 1. Chapter 3
# Import the Seaborn
___
# Import the matplotlib.pyplot
___

# Data list
guests_list = ['Girl', 'Boy', 'Boy', 'Boy', 'Girl', 'Boy', 'Boy', 'Boy', 'Girl', 'Boy', 'Girl', 'Girl', 'Girl', 'Girl', 'Girl', 'Girl']

# Create the countplot
sns.___(x = ___)

# Show the plot
___.show()

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