search for: 09location

Basically, I have the location data for about 1,000 pitches. I can get them to show up correctly on normal plots, but I am genuinely messed up on heatmaps. > location <- read.csv('C:/Users/William/Downloads/09Location.csv') > location <- as.matrix(location) Like I said, that can get a plot fine. Should I use image or heatmap? For the record, I want something like this:http://2.bp.blogspot.com/_hZYdwHvvD9U/THo_YaK0dGI/AAAAAAAAAgg/VjzVngS2-BU/s1600/clifflee3.png I don't need the contour lines, thou...