Data Visualization with Python


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Upcoming Dates

Oct 17 - Oct 19, 2022
09:00 - 17:00

Nov 14 - Nov 16, 2022
09:00 - 17:00

Dec 12 - Dec 14, 2022
09:00 - 17:00

Jan 9 - Jan 11, 2023
09:00 - 17:00

Feb 6 - Feb 8, 2023
09:00 - 17:00

Mar 6 - Mar 8, 2023
09:00 - 17:00

Data Visualization with Python
3 days  (Instructor Led Online)  |  Data Science

Course Details

With so much data being continuously generated, developers with a knowledge of data analytics and data visualization are always in demand. With Data Visualization with Python, you’ll learn how to use Python with NumPy, Pandas, Matplotlib, and Seaborn to create impactful data visualizations with real-world, public data.

This Data Visualization with Python course takes a hands-on approach to the practical aspects of using Python to create effective data visuals. It contains multiple activities that use real-life business scenarios for you to practice and apply your new skills in a highly relevant context.


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Lesson One: Importance of data visualization and data exploration

  • Topic 1: Introduction to data visualization and its importance
  • Topic 2: Overview of statistics
    • Activity 1: Compute mean, median, and variance for the following numbers and explain the difference between mean and median
  • Topic 3: A quick way to get a good feeling for your data
  • Topic 4: NumPy
    • Activity 1: Use NumPy to solve the previous activity
    • Activity 2: Indexing, slicing, and iterating
    • Activity 3: Filtering, sorting, and grouping
  •  Topic 5: Pandas
    • Activity 1: Repeat the NumPy activities using pandas, what are the advantages and disadvantages of pandas?


Lesson Two: All you need to know about plots

  • Topic 1: Choosing the best visualization
  • Topic 2: Comparison plots
    • Line chart
    • Bar chart
    • Radar chart
    • Activity 1: Discussion round about comparison plots
  •  Topic 3: Relation plots
    • Scatter plot
    • Bubble plot
    • Heatmap
    • Correlogram
    • Activity 1: Discussion round about relation plots
  •  Topic 4: Composition plots
    • Pie chart
    • Stacked bar chart
    • Stacked area chart
    • Venn diagram
    • Activity 1: Discussion round about composition plots
  •  Topic 5: Distribution plots
    • Histogram
    • Density plot
    • Box plot
    • Violin plot
    • Activity 1: Discussion round about distribution plots
  •  Topic 6: Geo plots
  • Topic 7: What makes a good plot?
    • Activity 1: Given a small dataset and a plot, reason about the choice of visualization and presentation and how to improve it


Lesson 3: Introduction to NumPy, Pandas, and Matplotlib

  • Topic 1: Overview and differences of libraries
  • Topic 2: Matplotlib
  • Topic 3: Seaborn
  • Topic 4: Geo plots with geoplotlib
  • Topic 5: Interactive plots with bokeh


Lesson 4: Deep Dive into Data Wrangling with Python

  • Topic 1: Matplotlib
  • Topic 2: Pyplot basics
  • Topic 3: Basic plots
    • Activity 1: Comparison plots: Line, bar, and radar chart
    • Activity 2: Distribution plots: Histogram, density, and box plot
    • Activity 3: Relation plots: Scatter and bubble plot
    • Activity 4: Composition plots: Pie chart, stacked bar chart, stacked area chart, and Venn diagram
  • Topic 4: Legends
    • Activity 1: Adding a legend to your plot
  • Topic 5: Layouts
    • Activity 1: Displaying multiple plots in one figure
  • Topic 6: Images
    • Activity 1: Displaying a single and multiple images
  • Topic 7: Writing mathematical expressions


Lesson 5: Simplification through Seaborn

  • Topic 1: From Matplotlib to Seaborn
  • Topic 2: Controlling figure aesthetics
    • Activity 1: Line plots with custom aesthetics
    • Activity 2: Violin plots
  • Topic 3: Color palettes
    • Activity 1: Heatmaps with custom colour palettes
  • Topic 4: Multi-plot grids
    • Activity 1: Scatter multi-plot
    • Activity 2: Correlogram


Lesson 6: Plotting geospatial data

  • Topic 1: Geoplotlib basics
    • Activity: Plotting geospatial data on a map
    • Activity: Choropleth plot
  • Topic 2: Tiles providers
  • Topic 3: Custom layers
    • Activity: Working with custom layers


Lesson 7: Making things interactive with Bokeh

  • Topic 1: Bokeh basics
  • Topic 2: Adding Widgets
    • Activity 1: Extending plots with widgets
  • Topic 3: Animated Plots
    • Activity 1: Animating information


Lesson 8: Combining what we’ve learned

  • Topic 1: Recap
  • Topic 2: Free exercise
    • Activity 1: Given a new dataset, the students have to decide in small groups which data they want to visualize and which plot is best for the task.
    • Activity 2: Each group gives a quick presentation about their visualizations.


Lesson 9: Application in real life and Conclusion of course

  • Applying Your Knowledge to a Real-life Data Wrangling Task
  • An Extension to Data Wrangling

Target Audience

Data Visualization with Python is designed for developers and scientists, who want to get into data science or want to use data visualizations to enrich their personal and professional projects.

You do not need any prior experience in data analytics and visualization, however, it’ll help you to have some knowledge of Python and familiarity with high school level mathematics. Even though this is a beginner level course on data visualization, experienced developers will be able to improve their Python skills by working with real-world data.



For the optimal student experience, we recommend the following hardware configuration:

  • OS: Windows 7 SP1 32/64-bit, Windows 8.1 32/64-bit or Windows 10 32/64- bit, Ubuntu 14.04 or later, or macOS Sierra or later
  • Processor: Dual Core or better
  • Memory: 4GB RAM
  • Storage: 10 GB available space software
  • Browser: Google Chrome or Mozilla Firefox
  • Conda
  • JupyterLab and Jupyter Notebook
  • Sublime Text (latest version), Atom IDE (latest version), or other similar text editor applications
  • Python 3
  • The following Python libraries installed: NumPy, pandas, Matplotlib, seaborn, geoplotlib, Bokeh, and squarify


Installation and Setup

  • Before you start this course, we’ll install Python 3.6, pip, and the other libraries used throughout this course. You will find the steps to install them here.


Installing Python


Installing pip

You might need to use the python3 command, due to previous versions of Python on your computer that already use the python command.


Installing libraries

Using the pip command, install the following libraries:

  • python -m pip install –user numpy matplotlib jupyterlab pandas squarify
  • bokeh geoplotlib seaborn


Working with JupyterLab and Jupyter Notebook

You can either download it using GitHub or as a zipped folder by clicking on the green Clone or download button on the upper-right side.

In order to open Jupyter Notebooks, you have to traverse into the directory with your terminal. To do that, type:

  • cd Data-Visualization-with-Python/<your current lesson>

For example cd Data-Visualization-with-Python/lesson01/

To complete the process, perform the following steps:

  1. To reach each activity and exercise, you have to use cd once more to go into each folder, like so: cd Activity01
  2. Once you are in the folder of your choice, simply call jupyter-lab to start up JupyterLab. Similarly, for Jupyter Notebook, call jupyter notebook.


Importing Python Libraries

  • Every exercise and activity in this course will make use of various libraries.


Importing libraries into Python is very simple and here’s how we do it:

  1. To import libraries, such as NumPy and pandas, we have to run the following code. This will import the whole numpy library into our current file: import numpy # import numpy
  2. In the first cells of the exercises and activities of this courseware, you will see the following code. We can use np instead ofnumpy in our code to call methods from numpy: import numpy as np # import numpy and assign alias np
  3. In later lessons, partial imports will be present, as shown in the following code. This only loads the mean method from the library: from numpy import mean # only import the mean method of numpy