topic Re: Line graph in Discussions

Line graph

alihong812 — Thu, 12 Apr 2018 03:04:00 GMT

Hello,

I am trying to make a line graph to resemble this:

My goal

However, in my result (please see below), if you look vertically, the points do not line up with the x-axis like what is shown in the previous figure. I am currently using JMP13, the goal figure was created using JMP12. Could anyone help with this issue? Thanks!

Re: Line graph

Dan_Obermiller — Thu, 12 Apr 2018 03:13:45 GMT

Make the picture as you have already done. Now, over to the left of graph builder, look for the "jitter" checkbox and clear the checkmark on that box. I think that will fix the problem.

Re: Line graph

alihong812 — Thu, 12 Apr 2018 17:17:41 GMT

Hi Dan, thank you for your reply! However I unchecked the "jitter" box but nothing has changed.

Re: Line graph

jules — Thu, 12 Apr 2018 17:52:48 GMT

Hi @alihong812,

As @Dan_Obermiller pointed out, you can usually stop the points from jittering to fix this issue, but when error bars are displayed (with a categorical x) jittering is enforced to ensure the non-overlap of the error bars (for levels of the overlay role). I'm going to make two guesses (and then hopefully offer you a solution). My first guess is that your x-variable is currently set to be nominal (or ordinal) modeling type, and my second guess is that when you made the previous figure in JMP 12, you had that same x-variable to be a continuous modeling type. My second guess is actually my proposed solution: change the modeling type for your x-variable to be continuous (which will work here since you have numeric levels), and JMP will force the points (and even the error bars) to overlap (see figure below).

I hope this helps!

@jules

Re: Line graph

alihong812 — Thu, 12 Apr 2018 17:38:50 GMT

Yes! That's why. Thank you so much!!