Course
Building Web Applications with Shiny in R
IntermediateSkill Level
Updated 07/2022RProgramming4 hr16 videos61 Exercises5,050 XP32,874Statement of Accomplishment
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Prerequisites
Introduction to the TidyverseIntermediate R1
Get Started with Shiny
To kick off the course you'll learn what a web app is and when you should build one, plus build a few apps of your own! You'll first learn to make text inputs and outputs in a few ways, including exploring the popularity of certain names over time.
2
Inputs, Outputs, and Layouts
In this chapter you will learn how to take advantage of different input and output options in shiny. You''ll learn the syntax for taking inputs from users and rendering different kinds of outputs, including text, plots, and tables.
3
Reactive Programming
In this chapter, you will learn about reactive programming. You will learn about reactive sources, conductors and endpoints and how they come together to drive the magic behind Shiny. You will also learn how to utilize your understanding of reactivity to build performant Shiny apps.
4
Build Shiny Apps
It’s time to build your own Shiny apps. You’ll make several apps from scratch, including one that allows you to gather insights from the Mental Health in Tech Survey and another that uses recipe ingredients as its input to accurately categorize different cuisines of the world. Along the way, you’ll also learn about more advanced input and output widgets, such as input validation, word clouds, and interactive maps.
Building Web Applications with Shiny in R
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FAQs
What kinds of Shiny apps will I build during this course?
You will build apps exploring baby name popularity, a mental health survey insights tool, and a recipe-based cuisine classifier, plus learn to add word clouds and interactive maps.
Does the course explain reactive programming in Shiny?
Yes. Chapter 3 covers reactive sources, conductors, and endpoints, teaching you how reactivity works and how to use it to build performant Shiny apps.
What R knowledge do I need before starting?
You need Introduction to R, Intermediate R, and Introduction to the Tidyverse. No prior web development experience is required.
How long does this course typically take to complete?
It has 4 chapters and 61 exercises. The median completion time is about 5.3 hours, reflecting the hands-on nature of building multiple complete apps.
Will I learn about input validation in Shiny apps?
Yes. Chapter 4 introduces advanced widgets including input validation, which ensures users provide valid data before your app processes it.
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