This question is a follow-up question on

CodePudding user response：

I have taken your code and added scale_y_continuous(expand = c(0, 0), label = ~abs(.))

WHAT I WANT

I want the minus (-) to be removed from the scale of the y-axis. CHECK

I want phi to be labelled on the x-axis and Value labelled on the Y-axis. CHECK

I will not mind if I have my legend in place as it was in the first picture. CHECK