title: Scaled Stacked Bar Chart in R
body: <p>I'm trying to produce a stacked bar chart in R using the data-frame (df) given below. The chart needs be to be scaled to show proportions rather than absolute values. The idea is to have TiA and CvSS on the x-axis and the bars divide by the proportions which each region takes up for TiA and CvSS respectively. </p>
  
  <p>Does anyone know how to achieve this using ggplot2? </p>
  
  <pre><code>Region &lt;- c("A", "B", "C")
  TiA &lt;- c(2065.8408, 1020.1331, 742.8428)
  CvSS &lt;- c(1.549020, 1.422771, 1.174165)
  df &lt;- data.frame(Region, TiA, CvSS)
  </code></pre>