Plot world map with nation borders and defining facecolor per country

Hi everyone,

What I try to accomplish: a world map with country borders, and adjustable facecolor per country and ideally also the names of the nations.

I'm working on a project at which I'd like to visualize each country's political risk. A country colored in red stands for a high political risk, yellow a medium risk and green a low risk. It should look like this map from Maplecroft. I could just use the Maplecroft picture, but I'd like all pictures of my report to be in the same style.

My trials and errors:

• I've tried the worldmap function, but couldn't find out how to get the nation borders and additionally how to adjust the colors of the nations.
• The plot_map and worlddatamap function as defined here and here . However I could not figure out how to color the individual countries/nations.

Would be great to hear from you.

Jelle

[José-Luis]

You need to either:

1. Get a shape for each individual country
2. Get an identifier for each country from the shapefile you have and plot it accordingly

It is difficult for people here to help you without knowing the kind of data you have.

[Jelle]

Dear José-Luis,

Thanks a lot for your quick response!

I think that's exactly what I'm looking for, a file which contains the shape of each individual country. Unfortunately I haven't been able to find such a file. As far as you know, is such a file available?

Best regards,

Jelle

[José-Luis]

http://www.gadm.org/

Answer 1

[Chad Greene]

The borders function does this easily.

[XJ_CHEN]

Thanks, This function works perfectly for this purpose.