create new trend

From Edit Trends view, scroll all the way down to the Create new set of curves and click on + Trend to open the editor:

Start filling in the data:

Choose the name of the graph, the time-interval and the FWOT (aircraft) you would like to see the data from:

Once you click on Save the changes, you could see the results:

You could add as many parameters or algorithms as you wish. Check the Trends for more details.

You could also link the trend to the dashboard (check that out at trend chart):