Matt Dancho – DS4B 102-R – Shiny Web Applications (Intermediate)

A data scientist generates organizational value by building web apps that take machine learning models into production.

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Matt Dancho – DS4B 102-R – Shiny Web Applications (Intermediate)

Build Web Apps with Machine Learning

The web application you learn how to build uses data science to predict new product prices!

Predictive Web Applications Productionalize Data Science

A data scientist generates organizational value by building web apps that take machine learning models into production.

Here’s an example of a predictive web application that you build in this course.

New Product Prediction Application (created in this course)

This web application empowers business people to make data-driven decisions by more consistently pricing products. The application incorporates:

Shiny – A web application framework with UI components that are reactive to user input.
Flexdashboard – A dashboarding framework that is built on top of RMarkdown.
parsnip and XGBoost – Machine learning models used to predict product prices.

Most importantly, business people can use the application to improve the consistency of new product prices based on an existing product portfolio thanks to the power of Machine Learning!

Your Organization Cares About Branding

So give it to them. Learn how to customize the appearance of your application to match your organizations branding.

Final Project

You will build a Sales Dashboard that:

Uses XGBoost to Predict Sales Demand by Customers & Product Categories.
Toggles between Light and Dark Themes – Customized by You and your theme-building skills!
Controls flow using Reactive Programming
Will be distributed via Shinyapps.io

Final Project

Dark Theme

This course is designed for…

Beginner data scientists that have completed the DS4B 101-R course and want to build predictive web applications
Intermediate data scientists familiar with R but want to learn Shiny and Flexdashboard

You build production-ready applications
Get ed now!

Paid Course

$399

3 Low Monthly Payments

3X Monthly
3 payments of $159/month

3-Step System

Follow a 3-step learning path:

Build your knowledge of core concepts with a Sales Dashboard
Extend your knowledge of Machine Learning and advanced techniques into Price Prediction Application
Customize the end product with theme and logos

Course Roadmap

Experience the innovative 3-Step System!

Step 1: You’ll by creating a Sales Dashboard

Creating a Sales Dashboard exposes you to reactive programming. You will apply complex rules to control how your application functions when users interact with the app.

You gain experience using:

Shiny
Geographic Data
Time Series Data
Interactive Plots
Reactive Programming
Observing Events & Controlling Flow

Step 2: Next, You Create A Predictive Web Application

You will build a new application that integrates Machine Learning (XGBoost) along with a more complex interactive visualization.

You learn how to:

Integrate machine learning (parsnip and XGBoost) into a Web App
Modularize code into functions
Create advanced interactive charts

Step 3: You finish by Customizing Your Web Application

Your company’s brand appearance is important. Make an app theme that is consistent with the look and feel of your organization’s branding.
Create Your Own Theme Using HTML & CSS

Use Google’s Chrome Inspector

You will:

Learn to use Google Inspector for inspecting web pages
Add logos
Adjust the theme with CSS

Business Objective: Use Data Science to More Consistently Price Products

The Business Problem:

Businesses can lose customer confidence and profitability if products are inconsistently priced.

The Solution:

This web application solves the inconsistent pricing problem by using predictive analytics to generate new product prices based on existing products.

The application is easy to use, and best of all, an app like this generates business value for your organization!

Tools & Frameworks We Provide

We provide you:

A Complete Learning Path to taking you from basic knowledge of R to being able to build and deploy interactive, machine-learning powered web apps
A Cohesive Tool Chain that includes shiny, flexdashboard, shinyWidgets, and shinyjs
Comprehensive resources: You are provided a cheat sheet, code templates, and resources that speed up learning and make referring back to materials simple.
Full Life-Time Access: Once you purchase the course, you gain life-time access to content now and any updates in the future.
Access to our Private Slack Community where you can access Matt (the course instructor) and network with other students.

Summary of What You Get!

Methodical training program that teaches you how to build web applications using Shiny & Flexdashboard
2 Web Apps That You Can Productionalize ($5000 value)
Sales Dashboard – Exposes you to Geographic and Time Series data along with learning reactive programming with Shiny
Product Prediction Application – Integrates Machine Learning (XGBoost) and advanced visualizations
Hundreds of Resources($1000 value):
ULTIMATE R CHEAT SHEET – The New & Improved Version 2.0
100+ Video Coding Lessons
7 Key Resources
2 Challenges

Adding it up: $6,000 value

Purchase today for: $399

*Price excludes local taxes & VAT
Get ed now!

Paid Course

$399

3 Low Monthly Payments

3X Monthly
3 payments of $159/month

Your Instructor

Matt Dancho
Matt Dancho

Founder of Business Science and general business & finance guru, He has worked with many clients from Fortune 500 to high-octane ups! Matt loves educating data scientists on how to apply powerful tools within their organization to yield ROI. Matt doesn’t rest until he gets results (literally, he doesn’t sleep so don’t be suprised if he responds to your email at 4AM)!

Course Curriculum

Welcome to Shiny Web Application Development (Level 1)

Building Web Applications that Deliver Business Value! (2:15)

Course Roadmap – Building Production-Ready Web Apps Fast! (1:54)

Private Slack Channel: How to Join

Course Certificate – Instructions

Prerequisites

Prerequisites

Getting Help

Getting Help (IMPORTANT!!!)

1.0 Getting ed

Overview

1.1 Business Case & Course Roadmap

Why Pricing Products Consistently Is Important (0:57)

Course Objective – Product Price Prediction App with Shiny & Flexdashboard (1:17)

1.2 Tools In Our Toolbox

Resource #1: The Ultimate R Cheat Sheet – Version 2.0 (File Download) (2:51)

1.3 Data Science Project Setup

Installing R (Optional) (3:06)

Installing RStudio IDE (Optional) (3:03)

Setting Up The Project (File Download) (2:34)

Installing R Packages (File Download) (3:03)

1.4 Transactional Data Introduction – Bike Sales (Recap from 101)

Transactional Data – What Is It? (1:41)

Orders: The Building Blocks of Transactional Data (3:53)

Data Model: Entity Relationship Diagram (2:14)

Understanding Database Relationships (6:18)

Part 1 – Sales Dashboard

Part 1 – Learning Shiny By Building A Sales Dashboard! (2:02)

2.0 Making A Sales Dashboard with Flexdashboard

What You Build In This Section (0:54)

2.1 Flexdashboard Primer

Resource #2: Flexdashboard Documentation & Key Resources (6:30)

Flexdashboard: Introduction & Layout Basics (3:05)

Orientation: Column vs Row (1:24)

Vertical Layout: Fill vs Scroll (3:49)

Tabsets (2:50)

Multiple Pages (4:01)

Code Checkpoint

2.2 Sales Dashboard – Integrating a Plotly Chloropleth Map

Flexdashboard Setup (1:35)

Libraries (1:23)

Database Connection (4:02)

Joining Data Using The SQLite Backend – Part 1 (5:00)

Joining The Data Using The Database Backend – Part 2 (4:12)

Processing Data: Final Preparations for the Map (2:20)

Adding A Section To The App (1:59)

Making the Plotly Map, Part 1: Plotly Chloropleth Maps (1:39)

Making The Plotly Map, Part 2: Aggregation By State (3:01)

Making The Plotly Map, Part 3: plot_geo() (2:37)

Making the Plotly Map, Part 4: add_trace() (3:27)

Making the Plotly Map, Part 5: layout() (3:14)

Code Checkpoint

3.0 Adding Shiny Reactive Components to the Sales Dashboard

What You Build In This Section (0:41)

Setup (File Download) (1:47)

3.1 Shiny Tutorial

Resources #3: Shiny Cheat Sheet (8:18)

Resource #4: Shiny Widgets Gallery (1:40)

Resource #5: HTML Widgets Showcase (4:47)

Resource #6: shinyjs (2:05)

Shiny Tutorial App – Overview (5:18)

Checkbox – checkboxGroupInput() (5:37)

Checkbox – renderPrint() & textOutput() (7:19)

Date Range – dateRangeInput() (5:12)

Date Range – renderPrint() & textOutput() (2:41)

Slider – sliderInput() (3:49)

Slider – renderPrint() & textOutput() (2:34)

Reactive Filtering – reactive() (5:48)

Data Table – Interactive Tables with DT (5:26)

Reactive Expressions: Adding More Inputs to reactive() (5:27)

Reactive Summarization: DT (5:17)

Reset Button, Part 1: actionButton() (2:29)

Resource #7: Font Awesome (1:16)

Reset Button, Part 2: observeEvent() (7:31)

Code Checkpoint (File Download)

3.2 Integrating Shiny into the Sales Dashboard

Sales Dashboard: Setting Up For Shiny (4:25)

shinyWidgets (2:08)

Data Preparation (7:10)

Bike Type Selector – shinyWidgets::checkboxGroupButtons() (6:26)

Bike Type Selector – reactive() & renderPlotly() (6:34)

Bike Family Selector – shinyWidgets::pickerInput() (7:03)

Bike Family Selector – reactive() filter (1:20)

Reset Button: actionButton() (6:22)

Code Checkpoint (File Download)

3.3 Challenge 1 – Add Date Range Input

Challenge 1 – Add Date Range Input (File Download) (1:37)

Challenge 1 – Solution, Part 1 (5:32)

Challenge 1 – Solution, Part 2 (7:50)

Code Checkpoint (File Download)

Course Survey

Quick Course Survey

4.0 Extending The Sales Dashboard with Time Series & shinyjs

What You Build In this Section (1:02)

Setup (File Download) (1:38)

4.1 Time Series Plot

Time Series Plot: Game Plan (1:03)

Flexdashboard Layout: “Over Time” Section (1:35)

Data Preparation (6:56)

Making the ggplot Geometries (5:45)

Formatting the ggplot (2:53)

Adding Interactivity: ggplotly() (1:26)

Parameterizing The Time Unit (2:02)

Next Steps: Reactivity (0:55)

Code Checkpoint (File Download)

4.2 Adding Reactivity to the Time Series Plot

Adding Reactivity: Game Plan (1:32)

Adding Reactivity, Part 1: Date Range Input (5:55)

Adding Reactivity, Part 2: renderPlotly() (2:04)

Adding Reactivity, Part 3: Connecting the Category 1 & 2 Inputs (4:46)

Adding Reactivity, Part 4: Date Aggregation with Radio Group Buttons (8:40)

Adding Reactivity, Part 5: Connecting the Date Aggregation Buttons (0:40)

Finishing Touches (2:24)

Next Steps (0:45)

Code Checkpoint (File Download)

4.3 Integrating an Apply Button & shinyjs

Apply Button: Reactive Programming Overview (2:09)

Adding the Apply Button: actionButton() (1:56)

Reactive Button Click: eventReactive() (5:19)

Loading Plots When Firing Up The Application (3:07)

Welcome to shinyjs (0:59)

Setting Up shinyjs in RMarkdown (2:25)

Reset Button: Update Time Aggregation Buttons (2:39)

Reset Button: Click “Apply” with shinyjs (4:05)

Reset Button: Delay “Apply” Click with shinyjs (2:30)

Recap (1:12)

Code Checkpoint (File Download)

4.4 BONUS – Adding Value Boxes to Your Dashboard

What You Build (0:53)

Setup & Layout (3:30)

Making Value Boxes: valueBox() (3:33)

Data Summarization, Part 1 (7:24)

Data Summarization, Part 2 (4:20)

Reactive Data Summarization (2:23)

Healthy Value Box (4:35)

Wealthy Value Box (2:59)

Wise Value Box (3:00)

Code Checkpoint (File Download)

Part 2 – Product Pricing Prediction App

Part 2 – Making A Predictive Web Application that Helps Your Organization (2:10)

5.0 Predictive Analysis – XGBoost + Parsnip

Predictive Analysis Goals (4:10)

Setup (File Download) (3:32)

Preprocessing the Bikes Table (7:06)

Training Data Set: Getting Ready for parsnip + XGBoost (3:12)

Machine Learning Algorithm: parsnip + XGBoost (6:36)

Code Checkpoint #1 (File Download)

Modularizing the Preprocessing Code, Part 1: Separate Bike Description (9:06)

Modularizing the Preprocessing Code, Part 2: Separate Model Description (5:03)

Code Checkpoint #2 (File Download)

Making Predictions from User Input (6:02)

Modularizing the Prediction: Generating New Bikes (8:12)

Code Checkpoint #3 (File Download)

Formatted Table (5:18)

Modularizing the Table Output: format_table() (1:08)

Bike Prediction Plot: Data Preparation (7:03)

Bike Prediction Plot: ggplot, Part 1 (7:16)

Bike Prediction Plot: ggplot, Part 2 (4:47)

Modularize the Bike Prediction Plot: plot_bike_prediction() (5:05)

Code Checkpoint #4 (File Download)

6.0 Prediction App – Getting The Analysis Into The Flexdashboard Layout

What You Build In This Section (0:52)

Setup: dir_create() & flexdashboard creation (2:47)

Setting Up The Flexdashboard Layout (3:25)

Load Libraries (3:35)

Data: Connect to SQLite and Load Bikes Table Into Memory (3:19)

Scripts: Source Our Modular Prediction Functions (3:00)

Machine Learning Model: Loading Our XGBoost Algorithm (1:51)

Generating Bike Predictions (3:33)

The Prediction Table: format_table() (0:40)

The Price Prediction Plot: plot_bike_prediction() (2:26)

Aside – The Difference Between Flexdashboard With & Without runtime: shiny (1:37)

Code Checkpoint (File Download)

7.0 Prediction App – Adding User Input with Shiny!

What You Build In This Section (0:59)

Setup (File Download) (0:47)

7.1 Adding Shiny To The Predictive Web Application

Adding Shiny To Our App – runtime: shiny (1:33)

Adding A Text Input: textInput() (2:09)

Adding An Apply Button: actionButton() (2:09)

Adding Reactivity To The Apply Button: eventReactive() (4:21)

Rendering The Prediction Plot: renderPlotly() (2:31)

Rendering The Prediction Table: renderTable() (1:49)

Render On Load: Prediction Plot & Table (1:26)

Code Checkpoint (File Download)

7.2 Challenge 2 – Reset Button

Challenge #2: Reset Button (File Download) (1:29)

Challenge #2 Solution (File Download) (6:22)

8.0 Completing the Predictive Web App – More Shiny!

What You Build In This Section (0:54)

Setup (File Download) (0:43)

Organizing Our UI & Adding The shinyWidgets Library (2:04)

Getting The Unique Categories: distinct() (3:00)

Adding Bike Family UI: pickerInput() (3:58)

Connecting Bike Family UI To The Apply Button (2:07)

Connecting Bike Family UI To The Reset Button (2:00)

Generate Bike Type From Bike Family (6:22)

Update Bike Family In Bike Prediction (3:17)

Adding Frame Material UI: pickerInput() (2:17)

Connecting Frame Material UI To Apply, Reset, & Generate New Bike Prediction (3:37)

Code Checkpoint (File Download)

Part 3 – Customizing The Application Theme

Part 3 – Customizing The App To Your Organizations Brand! (1:07)

9.1 HTML & CSS Crash Courses

Training for Web Developers – Traversy Media

1 Hour HTML Crash Course for Beginners – Traversy Media

1.5 Hour CSS Crash Course – Traversy Media

9.2 Customizing The Appearance Of Your App

Setup (File Download) (1:44)

Resource #8: Chrome DevTools – Browser Web Development Tools (10:10)

[OPTIONAL / ADVANCED] 1 Hour Chrome DevTools Crash Course – Traversy Media

Resource #9: Google Fonts (8:03)

CSS Setup & Coloring the Navbar (7:07)

Coloring the Sidebar (3:49)

Adding a Logo (4:53)

Google Fonts (8:03)

Navbar – Montserrat (5:01)

Headers – Montserrat (4:31)

Body – Roboto (2:25)

Coloring the Buttons (9:15)

Code Checkpoint (File Download)

9.3 Challenge 3 – Matching Cannondale’s Brand Appearance

Challenge #3: Cannondale Challenge! (File Downloads) (4:18)

Challenge #3 Solution, Part 1 (File Download) (14:10)

Challenge #3 Solution, Part 2 (15:28)

9.4 Bonus – Adding Images To Your Cannondale App

Displaying Product Images in Your Shiny App (1:20)

Setup (File Downloads) (4:52)

Connect the Script & Model Paths (4:09)

Image Placeholder (1:20)

Extracting the Model Base (5:58)

Generate New Bike: To Speed Up Debugging (4:01)

Detecting & Retrieving the Image Path (5:20)

Expose the Image Path to the App (2:36)

Rendering Images: renderImage() (4:58)

Handling Bike Models with Numbers in their Names (5:38)

Code Checkpoint (File Download)

Part 4 – Add Demand Forecasting & Customizing Your Sales Dashboard

Part 4 – Adding Demand Forecasting & Customizing Your Sales Dashboard (0:59)

App Setup (File Download) (4:04)

10.1 Demand Forecast Analysis – Parnsip + XGBoost

Forecast Analysis: Setup & Overview (4:04)

Data Processing (5:16)

Time Series Aggregation: aggregate_time_series() (7:04)

Time Series Plot: plot_time_series() (5:16)

Time Series ML vs ARIMA: Why We Are Using ML For Our App (1:45)

timetk, Part 1: A toolkit for time series ML prep (6:21)

timetk Part 2: A Toolkit for Time Series ML Prep (3:14)

Making Training & Future Data (8:47)

XGBoost Forecast Model (File Download) (7:51)

Making Predictions & Outputting in the Format for Our New Forecast Plot (8:22)

Modularizing the XGBoost Forecast: generate_forecast() (6:02)

Interactive Forecast Plot (6:45)

plot_forecast() (2:30)

Code Checkpoint (File Download)

10.2 Visual Forecast Inspection & Model Adjustment

Visual Forecast Inspection (6:10)

Preparing for the Model Change (4:08)

Add Logic: Separating the Yearly Data from the Other Time Aggregations (2:32)

Making a Linear Regression Model for Yearly Data (5:01)

Updating the Plot Forecast Function, Part 1 (5:28)

Updating the Plot Forecast Function, Part 2 (5:40)

Saving Our Functions (1:21)

Code Checkpoint (File Download)

10.3 Forecasting – What About Trend? (XGBoost vs GLMNet)

Setup (File Download) (3:23)

Trend Evaluation (3:07)

Experiment #1: Exploring Trend w/ XGBoost Forecast (3:09)

Experiment #2: Comparing XGBoost & GLMNet (13:53)

10.4 Forecast Mode – Integrating the ML Forecast into our App!

Overview (2:02)

Setup (2:24)

Toggle Switch: switchInput() [with CSS Copy-Paste] (5:46)

Showing & Hiding the Forecast Horizon: conditionalPanel() (4:07)

Link the Forecast Toggle Switch to Reset & Update Buttons (2:59)

Integrating the Forecast (8:34)

Producing the Forecast Plot (4:20)

Connecting the Forecast to the Time Unit Radio Buttons: observeEvent() (3:25)

Connecting the Forecast to the Forecast Mode Toggle Switch: observeEvent() (3:26)

Value Boxes, Part 1: Update Colors with Changing Data Filters (6:04)

Value Boxes, Part 2: Update Colors with Changing Data Filters (6:51)

Customer Selection: pickerInput() (6:00)

Connecting the Customer Selection to the Data Filter (4:50)

Recap (0:58)

Code Checkpoint (File Download)

10.5 Customization – Business Science Light Theme

Creating a CSS Theme for Our Shiny App (1:09)

Setup (File Download) (1:14)

Connecting Our CSS & Logo (2:59)

Adjusting the Sidebar Width (8:34)

Coloring the Forecast Mode Toggle Switch (4:54)

Coloring the Time Series Radio Buttons (10:59)

Coloring the Value Boxes (5:51)

Updating the CSS to Make Responsive for Mobile Devices (2:35)

Enabling Scroll Capability on the UI Sidebar for Mobile Devices (3:16)

Code Checkpoint (File Download)

10.6 Customization – Business Science Dark Theme

Making a Dark Theme! (0:45)

Adding A View Mode Toggle Switch (9:19)

Creating The Dark Theme (6:05)

Switching Themes with includeCSS() & renderUI() (5:39)

Adjusting the Theme for Mobile Devices (3:14)

Final Shiny Sales Dashboard with Forecasting & Dark Theme! (1:10)

Code Checkpoint (File Download)

Part 5: Production & Deployment

Publishing Your Shiny Web Application (0:29)

Publishing Options (6:03)

11.1 Publishing Your Shiny Web App!

Setup: Shinyapps.io & App Files (3:40)

Connecting To Shinyapps.io & Publishing (3:04)

Troubleshooting Error #1: Files are Outside of App Directory (5:20)

Troubleshooting Error #2: xgboost package is not being installed (1:54)

Shiny App Deployed!!! (0:26)

11.2 Challenge

Challenge #4: Create & Deploy Your Own App (1:36)

Congratulations!!!

You Did It! I’m So Happy For You!! (1:38)

Frequently Asked Questions

When does the course and finish?
The course s now and never ends! It is a completely self-paced online course – you decide when you and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like – across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

Read more: https://archive.is/VWCiv

Here’s What You’ll Get in Matt Dancho – DS4B 102-R – Shiny Web Applications (Intermediate)

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Course Requirement: Matt Dancho – DS4B 102-R – Shiny Web Applications (Intermediate)
Real Value: $79

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