Hi Everyone
I am Graduate student who isnt the greatest at statistics and I have a question regarding a 3 way ANOVA. I am trying to run a 3-way ANOVA for a data set in graphpad that is the following:
-3 diets (X,Y,Z)
-3 Genotypes (W, H, K)
-high fat vs low fat
In total, I have 9 groups (3x3 diet/gene interactions), between both high and low fat fed animals, and I set up the graphpad sheet exactly how it displays on the website, however, I get an error saying that the data is not correct to run a 3-way. Really my questions is that is this a limitation in graphpad, or can I only run a 3-way ANOVA with 4 groups? (PS if i trim my groups to 4 in graphpad I am able to run a 3-way.
Hello James,
I'm not a Graphpad user, but a look at the statistics guide (https://www.graphpad.com/guides/prism/8/pdf/Prism-8-Statistics-Guide.pdf, pages 525 on) convinces me that the data entry format is anything but standard when compared with most statistical packages.
For this reason, you might not be entering your data in the way the program expects. You may want to consider a different software package, such as Jamovi, which is free, based on the open-source R system, and generally gets good ratings for ease of use.
Good luck with your work.
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