Maps with R Leaflet

Name: Maps with R Leaflet
Rating: 4.2 (358 reviews)

Transform your data into interactive maps!

Created byGregory Sward

Last updated 8/2018

English

What you'll learn

Create a dynamic map with a customized theme.
Overlay data on maps.
Add interactive data labels and controls.
Show summary statistics with choropleth maps.
Use RMarkdown to create and share reports that contain dynamic maps.
Use RShiny to enhance the dynamic features of Leaflet and share ours map as a web app.

Course content

7 sections • 16 lectures • 2h 26m total length

Introduction and Downloads3:06
The course data and code are contained in the R Leaflet.zip file. You will need to download and unzip this file for the course.
Project Setup5:10
Set up a leaflet map project in RStudio by downloading and unzipping data and code, creating a project and script, importing the data folder, and installing the leaflet package.
Our First Map!5:39
Load the leaflet package, create an html widget with leaflet(), add a base map with addTiles, and setView to Alaska to demonstrate a layered, pipe operator workflow.
The Pipe Operator7:49
See how the pipe operator from the Margaretha package chains map transformations in R Leaflet, forwarding the map through ad_tiles and set_view for clearer, minimal code.

Circle Markers and Coordinates7:03
Map unsolved crime cases of murder or manslaughter by filtering for crime solved as no, then overlay circle markers using coordinates and apply jitter to separate identical locations.
Adding Labels to Markers9:43
Enhance interactive maps by adding labels to circle markers in a leaflet map, convert the year to text, and build HTML labels using an html tools package.
Clustering3:26
Cluster map markers using the marker cluster options function to group markers and enable spidering at higher zooms. Tune show coverage on hover and other cluster options.
Interactive Controls7:40
Add a checkbox control to toggle solved and unsolved markers on a Leaflet map, using overlay groups and layer controls to customize visibility and aesthetics.

Basic Exporting5:48
Export maps with R Leaflet as static images or web pages, preserving dynamic features in html exports. Use mapshot with phantomjs for automated static exports, and saveWidget for html widgets.
RMarkdown Reports11:34
Learn to embed leaflet maps in an R Markdown report, creating static Word outputs and dynamic HTML reports by using markdown basics, code chunks, and include/echo options to control display.

Requirements

RStudio
A beginner understanding of R

Description

Leaflet.js is one of the most popular libraries for creating beautiful looking maps. Companies like Facebook, Pinterest, and The Washington Post use Leaflet to create maps that draw-in and engage viewers in a unique way.

In this course, we'll be using the Leaflet package for R to analyze FBI homicide data in the United States.

Who this course is for:

People who like using R and who wish to become proficient in creating maps to represent their data.

Maps with R Leaflet

What you'll learn

Explore related topics

Course content

Setup and First Map4 lectures • 22min

Customizing the Base Map2 lectures • 10min

Data Preparation1 lecture • 17min

Circle Markers4 lectures • 28min

Choropleths2 lectures • 27min

Sharing Leaflet Maps2 lectures • 17min

Leaflet and Shiny: Enhancing Leaflet's Interactivity1 lecture • 25min

Requirements

Description

Who this course is for: