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Interactive Data Visualization with Bokeh

IntermediateSkill Level

4.7+

Updated 08/2024

Learn how to create interactive data visualizations, including building and connecting widgets using Bokeh!

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PythonData Visualization4 hr15 videos53 Exercises4,500 XP4,137Statement of Accomplishment

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Course Description

Bokeh is a powerful Python package for interactive data visualization, enabling you to go beyond static plots and allow stakeholders to modify your visualizations! In this interactive data visualization with Bokeh course, you'll work with a range of datasets, including stock prices, basketball player statistics, and Australian real-estate sales data. Through hands-on exercises, you’ll build and customize a range of plots, including scatter, bar, line, and grouped bar plots. You'll also get to grips with configuration tools to change how viewers interact with your plot, discover Bokeh's custom themes, learn how to generate subplots, and even how to add widgets to your plots!

Prerequisites

Data Manipulation with pandas

1

Introduction to Bokeh

Learn about the fundamentals of the Bokeh library in this course, which will enable you to level up your Python data visualization skills by building interactive plots. You’ll see how to set up configuration tools, including the HoverTool, providing various opportunities for stakeholders to interact with your plots!

Introduction to Bokeh

When to use a scatter plot

Blocks vs. rebounds

Kevin Durant's performance across seasons

Shooting ability by position

Configuration tools

The best tools for the job

Setting tools

Adding LassoSelectTool

The HoverTool

Adding a HoverTool

Formatting the HoverTool

2

Customizing Visualizations

For this chapter, you’ll learn how to customize axes, create and enhance a legend, modify glyph settings, and apply Bokeh's custom themes!

Adding style

Colors, legend, and theme

Customizing glyphs

Customizing axes

Average building size

Sales over time

Categorical column subplots

Size, location, and price

Using gridplot

Changing size

Visualizing categorical data

High to low prices by region

Creating nested categories

Visualizing sales by period

3

Storytelling with Visualizations

Learn how to use various elements to communicate with stakeholders. You’ll produce grouped bar plots with categorical data, build multiple subplots, add annotations, and modify the text to make your Bokeh visualizations even more striking!

Customizing glyph settings

Shooting guards versus small forwards

Big shooters

Evolution of the point guard

Highlighting and contrasting

Highlighting by glyph size

Steals vs. assists

Adding a color bar

Free throw percentage by position

Communicating with text

Sales by time and type of day

Products sold by the time of day

Adding annotations

Box annotations for sales performance

Setting up a polygon annotation

Annotating Netflix stock price growth

4

Introduction to Widgets

Discover Bokeh's widgets and how they enable users to modify Python visualizations! You’ll learn about Spinners, which allow viewers to change the size of glyphs. We’ll discuss Sliders, which can be used to change axis ranges. Lastly, we’ll introduce the Select widget, which will enable plot updates based on dropdown options.

Introduction to widgets

Adding a Div

Modifying glyph size with a widget

Slider widgets

Automotive stocks analysis

Tech stock performance over time

Select widgets

Travel analysis

Changing line plots with Select

Congratulations!

Interactive Data Visualization with Bokeh

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FAQs

What types of plots can I build with Bokeh in this course?

You build scatter, bar, line, and grouped bar plots using datasets on stock prices, basketball player statistics, and Australian real-estate sales data.

What makes Bokeh different from matplotlib or seaborn?

Bokeh specializes in interactive visualizations that let stakeholders modify and explore plots directly, going beyond static charts with tools like hover, zoom, and widget controls.

Does this course cover adding widgets to visualizations?

Yes. Chapter 4 introduces Spinner, Slider, and Select widgets that let viewers change glyph sizes, adjust axis ranges, and update plots based on dropdown selections.

What Python skills do I need before starting?

You need intermediate Python and pandas experience. The course focuses on Bokeh-specific skills and assumes you can already manipulate data with pandas.

Will I learn to customize themes and legends in Bokeh?

Yes. Chapter 2 covers customizing axes, creating enhanced legends, modifying glyph settings, and applying Bokeh custom themes to polish your visualizations.

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