title: Graphing 3 Variable Scatterplot R
body: <p>I imported some data from Islander and am trying to graph something with 3 variables. I'm thinking of trying to graph 2 numeric variables with a nominal category (gender). The plot I'm trying to do therefore is a regular scatterplot, but color-coded.</p>
  
  <p>I looked at this starter tutorial on R: Scatterplots, but didn't see any mention of 3 variable plotting.</p>
  
  <p><a href="http://www.laptopmag.com/articles/ssd-upgrade-tutorial" rel="nofollow">http://www.laptopmag.com/articles/ssd-upgrade-tutorial</a></p>
  
  <p>Can anyone help me out? My variables hold values pertaining to <strong>number of balls bounced</strong>, <strong>minutes of physical activity per week</strong>, and <strong>gender</strong>.</p>
  
  <p>Picture of the data:<br>
  <a href="http://i.stack.imgur.com/hmAHK.png" rel="nofollow">Data</a></p>