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Density plots look different across students

Posted: Wed Mar 12, 2025 10:04 pm
by Kate.Talsma
Hello!

Hoping you can help us get to the bottom of an issue where - with the same data file - some students' density plots are appearing differently to others.

The shape of the plots is different, and the values on the X axis...

The expected plot is the one most people see - and the one that we've been seeing using this same data for several years previously. The unexpected one is what a few students are getting this year for the first time. We're pretty sure that people's versions of jamovi are the same...

We'd be grateful for your help!

Cheers,
Kate
Expected plot.png
Expected plot.png (32.08 KiB) Viewed 55396 times
Unexpected plot.png
Unexpected plot.png (29.87 KiB) Viewed 55396 times

Re: Density plots look different across students

Posted: Thu Mar 13, 2025 12:31 am
by jonathon
hi,

can you provide a .omv file? (you can attach it here, but you might need to zip it up) i suspect that different versions is in play, as we did make a small change to how these densities are created recently. there's technically not a "correct" way to do these densities, but some ways are certainly better than others.

jonathon

Re: Density plots look different across students

Posted: Thu Mar 13, 2025 3:58 am
by Kate.Talsma
Hi Jonathon,

Thanks heaps for your reply. Sorry about this - from reports I'd thought that jamovi versions were the same, but I've just tested across versions like I should have done in the first place, and it seems this is indeed the issue - with the change between 2.6.24 and 2.6.25.

Thanks again and sorry for the hassle!

Cheers,
Kate