How to create an interactive map using R.

"Making an interactive map in R is as easy as pie! With just a few simple steps, you can create a web mapping application that will blow your mind. Using the tmap and SF packages, you can read shape files, add population data, and visualize it all in an interactive map. It’s like magic! 🗺️🔮 #RProgramming"

Using R Programming Language for Interactive Web Mapping

Today, we will explore how to use the R programming language to create interactive web mapping applications. Specifically, we will focus on creating interactive maps that display population data and allow users to interact with different districts to view population information.

Step 1: Installing Required Packages

To begin, we need to install two essential packages: Tmap and SF. These packages are crucial for creating interactive web mapping using R Studio.

Once installed, import the packages using the library function.

library(tmap)
library(sf)

Step 2: Importing Boundary Shape File

Next, we import the boundary shape file that we want to use for our interactive map. We read the shape file using the read_sf function and store it in a variable for further processing.

Step 3: Creating Interactive Population Map

Using the Tmap package, we create an interactive population map by adding polygons and defining the attributes we want to visualize. We then set the map mode to enable interactive viewing.

Step 4: Saving the Map as HTML

Once the interactive map is created, we can save it as an HTML file using the tmap_save function. This allows us to easily share and visualize the map in a web browser.

Conclusion

Creating interactive maps in R is a powerful way to visualize geographical data. By following these steps, you can easily create your own interactive web mapping applications using R Studio.

Key Takeaways

• Installation of Tmap and SF packages is essential for interactive web mapping in R.
• Importing boundary shape files and setting map modes are crucial steps in creating interactive maps.
• Saving maps as HTML files enables easy sharing and visualization.

Join our online training program to learn more about creating maps using R Studio!

Thank you for watching!

This article provides a comprehensive guide on making interactive maps in R using the Tmap and SF packages. The step-by-step instructions cover installing required packages, importing shape files, creating interactive maps, and saving them as HTML files. With this knowledge, you can easily create your own interactive web mapping applications in R. Happy mapping!