How to group points in a plot and assign categories in data table (3 or more categories)
How can one categorize a visual data set into user defined categories in the original data table? To explain this further. Say I have a scatter plot, and I want to select certain group of points, and call it Category 1, then somewhere else, select another group, call it category 2, and so on. The goal is to make an interval plots of these 'categories' and see how the means etc vary. Currently,...