Re: [R] help with recalling data points in a specific region of the plot

On Aug 24, 2009, at 6:50 PM, Edward Chen wrote: Thank you so much for your reply. I apologize for not making my question clearer. The problem I have right now is not just a matrix. I have a plot in which the X and Y are both calculated by other functions before the plot. After reviewing th

Re: [R] help with recalling data points in a specific region of the plot

On Aug 24, 2009, at 12:55 PM, Edward Chen wrote: Hi all, Is there a quick way to display or recall data points from a specific region on the plot? For example I want the points from x>5 and y>5? Thank you very much! Your question is pretty light on specifics but assuming that you have co

Re: [R] help with recalling data points in a specific region of the plot

I am assuming that you want to desplay all the data and highlight the subset. Set up a vector to indicate the breakdown of the data and you can do it fairly easily in ggplot2 if you treat the vector as a factor. library(ggplot) mydata <- data.frame(x=1:21, y= -10:10) z <- ifelse(mydata[,1]>5 & m