I am trying to have two different fill colors for each US state based on two different columns of my dataset. For this, I am using the counties and coloring half of them which are below the state c...

I want to plot Electric grid map for U.S. So I need to merge specific states together . I want to plot border for those state together but it not working. Also just one label per each group. This i...

I'm trying to create a custom gradient scale in R that will change colors based on values. Basically: I want the fill color to be a gradient between darkblue and blue for values that are between 1 ...

I was able to create a US map with this tutorial. When I tried to add additional points to it they all ended up in South Dakota, no matter what I input for data. library(ggplot2) library(usmap) te...