How to change the text in R sq Box

[#1]

When I am asking R sq results, it copies the Table column name (sample), name, Is there any way I can change the test, for eg: i this case, i only want R2 = 0.08

[#2]

If you have column in Overlay, remove it or disable it for the fit line (assuming you are using graph builder).

[#3]

Thanks will try to implement. Yes, I was using Graph builder.