title: Grouped Barchart using bargraph.CI
body: <p>How would I use the sciplot library's (bargraph.CI) to make a grouped barchart showing two bars next to each other for example grass cover and weed cover for the different tree types with the following data.</p>
  
  <p><img src="https://i.stack.imgur.com/xohgh.png" alt="data from excel given as an example"></p>