search for: seifalegendcol

Hi, I would like to make a plot of the US states (or lower 48) that are colored based upon a percentage change column. Ideally, it would gradually be more blue the larger the positive change, and more red the more negative is the change. The data I have looks like: State Percent.Change 1 Alabama 0.004040547 2 Alaska -0.000202211 3 Arizona -0.002524567 4 Arkansas

Hi guys i need some help to build choropleth. Basically i am trying to colour regions on the map by population. I possess the shape file of the country, and also the population data, however, i am having trouble to create the plot, below is my code: population=read.csv("nz2.csv") population names(population) nz=readShapeSpatial((sprintf('nz-geodetic-marks',tmp_dir)))