Yes, but No. Use the Fit Special option
![Screen Shot 2020-09-22 at 9.57.14 AM.png Screen Shot 2020-09-22 at 9.57.14 AM.png](https://community.jmp.com/t5/image/serverpage/image-id/26907i5898F66436C857AC/image-size/large?v=v2&px=999)
![Screen Shot 2020-09-22 at 2.29.36 PM.png Screen Shot 2020-09-22 at 2.29.36 PM.png](https://community.jmp.com/t5/image/serverpage/image-id/26917i5481AAC63DB3222D/image-size/large?v=v2&px=999)
(earlier I added the wrong screen shot)
The thing is, when you fix the slope or intercept, then you're not really doing a least squared fit.
Since RSquare is the sum of squares for the model divided by the total sum of squares, there isn't exactly a model to work with for the fit.
JMP Systems Engineer, Health and Life Sciences (Pharma)