How to join scatter-graphs together and add confidence interval

[Eli Omo]

Hi everyone ,


I have plotted these two graphs separately but I would love to join them both together:

twoway (connected fidelity bpweeks if Category==1 & inrange(bpweeks,20,40), mcol("blue"))   ///        
       (connected fidelity bpweeks if Category==4 & inrange(bpweeks,20,40), mcol("purple"))

 twoway (connected fidelity bpweeks if Category==2 & inrange(bpweeks,20,40), mcol("blue"))   ///        
       (connected fidelity bpweeks if Category==4 & inrange(bpweeks,20,40), mcol("purple"))

I would like to include the confidence interval on these graphs? Is that possible?

Any help is greatly appreciated