From the My Studies page, click on the required study.

Click on the Results tab.

Select the Dashboard that hosts the graph you’d like to edit.

On the actual graph you’d like to edit click the ellipsis (…) and select Edit Graph

Here you can edit the Graph title and description,  data and filter sets as well as appearance properties. (Remember, colours can be amended via editing the Dashboard)

Once you’ve made changes you can click the Save & Preview button to see how your changes will affect your Graph.

When you’re finished making the necessary changes, click on the Save & Finish button (or Cancel if you don’t want the changes saved)