I don't think that amount of data points should cause that kind of an issue
![jthi_0-1698334779664.png jthi_0-1698334779664.png](https://community.jmp.com/t5/image/serverpage/image-id/58019i6ED42B0408B056AF/image-size/medium?v=v2&px=400)
If you want to show some specific points in your data, create new column, fill only those values in, label those rows, add points to your plot and plot points and lines.
-Jarmo