I am struggling to change the color of lines in my line graph with 3 lines. I know this can be changed using "colors by expression" option but not sure how to write an expression.
The data in my line chart looks like below (example) -
Dates aPlanned aComplete aReview
12/09/2016 10 8 5
13/09/2016 10 9 6
14/09/2016 11 10 6
I would like to give Black color to Planned and Green to complete (just an example). Can anyone please help me here. Thanks