R tip: Create maps in R

The video tutorial explains how to analyze geospatial data in R using simple features. It covers loading shapefiles and CSV data, creating choropleth maps with GGPLOT2, and using tmap for both static and interactive maps. The tutorial demonstrates how to join data, customize visualizations, and save maps in various formats.

Which package implemented the standard called simple features for R?

• tmap

• SF

• leaflet

• GGPLOT2

What is the purpose of setting options to avoid scientific notation in R?

• To improve data accuracy

• To enhance data readability

• To increase processing speed

• To reduce file size

What function is used to read shapefiles into R using the SF package?

• sf_read

• import_sf

• st_read

• read.csv

In GGPLOT2, what is the default color mapping for smaller numbers?

• Blue colors

• Red colors

• Darker colors

• Lighter colors

Which function is used in GGPLOT2 to manually set low and high colors for a gradient?

• scale_fill_manual

• scale_color_gradient

• scale_fill_gradient

• scale_color_manual

What is the primary advantage of using tmap over GGPLOT2 for mapping?

• Simpler syntax

• Better color options

• Interactive map capabilities

• Faster rendering

How can you save an interactive map created with tmap?

• As a PDF file

• As a JPEG image

• As a CSV file

• As an HTML file