jamovi

I'm receiving an error message: "contrasts can be applied only to factors with 2 or more levels" However, I'm using a factor that has 2 levels, and I verified that there are several observations in each. Unfortunately, this is with proprietary data for consulting work, so I can't share the...

At least by the definition in Gravetter and Wallnau, it's ratio because it has a true 0 point (no one answers less than 0 pregnancies), and you can interpret ratios from two scores ( a person with 6 pregnancies had twice as many as a person with 3 pregnancies). I'm starting to wonder if some textboo...

I love teaching with Jamovi...except for the part where I have to explain scales of measurement. The textbook that I use, like many, lists scales of measurement as nominal, ordinal, interval, or ratio. Jamovi lumps interval and ratio together into a single category, which in and of itself is totally...

I'm teaching with Jamovi, and 2 students independently reported a "no loop for break/next" error. One of the output screens also includes a "title must be a string" error. I've tried to independently replicate these errors with the same dataset, but haven't been able to do so (I ...

Thanks for the estimate! That's enough to help me plan the semester.

Do you have any sense of when a "compute new variable" function will be available? I ask because I plan on teaching with Jamovi starting in a couple of weeks. I'd like for my students to be able to compute z-scores, either automatically, or by manually entering a simple equation.