Johns Hopkins University - Building Data Visualization Tools 

Welcome to Building Data Visualization Tools

Textbook: Mastering Software Development in R

Syllabus

Introduction

Initializing a ggplot object

Plot aesthetics

Creating a basic ggplot plot

Geoms

Using multiple geoms

Constant aesthetics

Example plots

Extensions of ggplot2

Introduction

Guidelines for good plots

Scales and color

To find out more

Plotting with ggplot2

Mapping and interactive plots

Introduction

Basics of Mapping

ggmap, Google Maps API

Mapping US counties and states

More advanced mapping? Spatial objects

Where to find more on mapping with R

Overview of htmlWidgets

plotly package

Creating your own widget

Mapping and interactive plots

The grid Package

Introduction

Overview of grid graphics

Grobs

Viewports

Grid graphics coordinate systems

The gridExtra package

Where to find more about grid graphics

Basics of grid graphics

Building New Graphical Elements

Introduction

Why Build a New Theme?

Default Theme

Building a New Theme

Summary

Introduction

Building a Geom

Example: An Automatic Transparency Geom

Building a Stat

Example: Normal Confidence Intervals

Combining Geoms and Stats

Summary